1900665

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 3872484

約数和(自身を除く): 1971819

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 247, 285, 351, 361, 405, 513, 585, 741, 855, 1053, 1083, 1235, 1539, 1755, 1805, 2223, 2565, 3249, 3705, 4693, 5265, 5415, 6669, 7695, 9747, 11115, 14079, 16245, 20007, 23465, 29241, 33345, 42237, 48735, 70395, 100035, 126711, 146205, 211185, 380133, 633555, 1900665]

約数ペア:

[(1, 1900665), (3, 633555), (5, 380133), (9, 211185), (13, 146205), (15, 126711), (19, 100035), (27, 70395), (39, 48735), (45, 42237), (57, 33345), (65, 29241), (81, 23465), (95, 20007), (117, 16245), (135, 14079), (171, 11115), (195, 9747), (247, 7695), (285, 6669), (351, 5415), (361, 5265), (405, 4693), (513, 3705), (585, 3249), (741, 2565), (855, 2223), (1053, 1805), (1083, 1755), (1235, 1539)]