65620125

素因数分解:

$3^4\times 5^3\times {\mathrm{6481}}^1$

素因数の和:6508

約数の個数: 40

約数和(自身を含む): 122354232

約数和(自身を除く): 56734107

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 6481, 10125, 19443, 32405, 58329, 97215, 162025, 174987, 291645, 486075, 524961, 810125, 874935, 1458225, 2430375, 2624805, 4374675, 7291125, 13124025, 21873375, 65620125]

約数ペア:

[(1, 65620125), (3, 21873375), (5, 13124025), (9, 7291125), (15, 4374675), (25, 2624805), (27, 2430375), (45, 1458225), (75, 874935), (81, 810125), (125, 524961), (135, 486075), (225, 291645), (375, 174987), (405, 162025), (675, 97215), (1125, 58329), (2025, 32405), (3375, 19443), (6481, 10125)]