12181185

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1619

約数の個数: 40

約数和(自身を含む): 22999680

約数和(自身を除く): 10818495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 1583, 2565, 4749, 7695, 7915, 14247, 23745, 30077, 42741, 71235, 90231, 128223, 150385, 213705, 270693, 451155, 641115, 812079, 1353465, 2436237, 4060395, 12181185]

約数ペア:

[(1, 12181185), (3, 4060395), (5, 2436237), (9, 1353465), (15, 812079), (19, 641115), (27, 451155), (45, 270693), (57, 213705), (81, 150385), (95, 128223), (135, 90231), (171, 71235), (285, 42741), (405, 30077), (513, 23745), (855, 14247), (1539, 7915), (1583, 7695), (2565, 4749)]