28107225

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2426

約数の個数: 36

約数和(自身を含む): 51314796

約数和(自身を除く): 23207571

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 2357, 2385, 3975, 7071, 11785, 11925, 21213, 35355, 58925, 106065, 124921, 176775, 374763, 530325, 624605, 1124289, 1873815, 3123025, 5621445, 9369075, 28107225]

約数ペア:

[(1, 28107225), (3, 9369075), (5, 5621445), (9, 3123025), (15, 1873815), (25, 1124289), (45, 624605), (53, 530325), (75, 374763), (159, 176775), (225, 124921), (265, 106065), (477, 58925), (795, 35355), (1325, 21213), (2357, 11925), (2385, 11785), (3975, 7071)]