1855882665

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7951}}^1$

素因数の和:8004

約数の個数: 128

約数和(自身を含む): 4274995200

約数和(自身を除く): 2419112535

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 27, 35, 39, 45, 57, 63, 65, 91, 95, 105, 117, 133, 135, 171, 189, 195, 247, 273, 285, 315, 351, 399, 455, 513, 585, 665, 741, 819, 855, 945, 1197, 1235, 1365, 1729, 1755, 1995, 2223, 2457, 2565, 3591, 3705, 4095, 5187, 5985, 6669, 7951, 8645, 11115, 12285, 15561, 17955, 23853, 25935, 33345, 39755, 46683, 55657, 71559, 77805, 103363, 119265, 151069, 166971, 214677, 233415, 278285, 310089, 357795, 453207, 500913, 516815, 723541, 755345, 834855, 930267, 1057483, 1073385, 1359621, 1502739, 1550445, 1963897, 2170623, 2266035, 2504565, 2790801, 3172449, 3617705, 4078863, 4651335, 5287415, 5891691, 6511869, 6798105, 7513695, 9517347, 9819485, 10853115, 13747279, 13954005, 15862245, 17675073, 19535607, 20394315, 28552041, 29458455, 32559345, 41241837, 47586735, 53025219, 68736395, 88375365, 97678035, 123725511, 142760205, 206209185, 265126095, 371176533, 618627555, 1855882665]

約数ペア:

[(1, 1855882665), (3, 618627555), (5, 371176533), (7, 265126095), (9, 206209185), (13, 142760205), (15, 123725511), (19, 97678035), (21, 88375365), (27, 68736395), (35, 53025219), (39, 47586735), (45, 41241837), (57, 32559345), (63, 29458455), (65, 28552041), (91, 20394315), (95, 19535607), (105, 17675073), (117, 15862245), (133, 13954005), (135, 13747279), (171, 10853115), (189, 9819485), (195, 9517347), (247, 7513695), (273, 6798105), (285, 6511869), (315, 5891691), (351, 5287415), (399, 4651335), (455, 4078863), (513, 3617705), (585, 3172449), (665, 2790801), (741, 2504565), (819, 2266035), (855, 2170623), (945, 1963897), (1197, 1550445), (1235, 1502739), (1365, 1359621), (1729, 1073385), (1755, 1057483), (1995, 930267), (2223, 834855), (2457, 755345), (2565, 723541), (3591, 516815), (3705, 500913), (4095, 453207), (5187, 357795), (5985, 310089), (6669, 278285), (7951, 233415), (8645, 214677), (11115, 166971), (12285, 151069), (15561, 119265), (17955, 103363), (23853, 77805), (25935, 71559), (33345, 55657), (39755, 46683)]