13780035

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 11828925

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 227, 285, 355, 639, 681, 855, 1065, 1135, 1349, 2043, 3195, 3405, 4047, 4313, 6745, 10215, 12141, 12939, 16117, 20235, 21565, 38817, 48351, 60705, 64695, 80585, 145053, 194085, 241755, 306223, 725265, 918669, 1531115, 2756007, 4593345, 13780035]

約数ペア:

[(1, 13780035), (3, 4593345), (5, 2756007), (9, 1531115), (15, 918669), (19, 725265), (45, 306223), (57, 241755), (71, 194085), (95, 145053), (171, 80585), (213, 64695), (227, 60705), (285, 48351), (355, 38817), (639, 21565), (681, 20235), (855, 16117), (1065, 12939), (1135, 12141), (1349, 10215), (2043, 6745), (3195, 4313), (3405, 4047)]