15123375

素因数分解:

$3^3\times 5^3\times {\mathrm{4481}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 27967680

約数和(自身を除く): 12844305

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 4481, 13443, 22405, 40329, 67215, 112025, 120987, 201645, 336075, 560125, 604935, 1008225, 1680375, 3024675, 5041125, 15123375]

約数ペア:

[(1, 15123375), (3, 5041125), (5, 3024675), (9, 1680375), (15, 1008225), (25, 604935), (27, 560125), (45, 336075), (75, 201645), (125, 120987), (135, 112025), (225, 67215), (375, 40329), (675, 22405), (1125, 13443), (3375, 4481)]