279797895

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2797}}^1$

素因数の和:2846

約数の個数: 80

約数和(自身を含む): 568777440

約数和(自身を除く): 288979545

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 247, 285, 351, 405, 513, 585, 741, 855, 1053, 1235, 1539, 1755, 2223, 2565, 2797, 3705, 5265, 6669, 7695, 8391, 11115, 13985, 20007, 25173, 33345, 36361, 41955, 53143, 75519, 100035, 109083, 125865, 159429, 181805, 226557, 265715, 327249, 377595, 478287, 545415, 690859, 797145, 981747, 1132785, 1434861, 1636245, 2072577, 2391435, 2945241, 3454295, 4304583, 4908735, 6217731, 7174305, 10362885, 14726205, 18653193, 21522915, 31088655, 55959579, 93265965, 279797895]

約数ペア:

[(1, 279797895), (3, 93265965), (5, 55959579), (9, 31088655), (13, 21522915), (15, 18653193), (19, 14726205), (27, 10362885), (39, 7174305), (45, 6217731), (57, 4908735), (65, 4304583), (81, 3454295), (95, 2945241), (117, 2391435), (135, 2072577), (171, 1636245), (195, 1434861), (247, 1132785), (285, 981747), (351, 797145), (405, 690859), (513, 545415), (585, 478287), (741, 377595), (855, 327249), (1053, 265715), (1235, 226557), (1539, 181805), (1755, 159429), (2223, 125865), (2565, 109083), (2797, 100035), (3705, 75519), (5265, 53143), (6669, 41955), (7695, 36361), (8391, 33345), (11115, 25173), (13985, 20007)]