68404275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{16001}}^1$

素因数の和:16036

約数の個数: 36

約数和(自身を含む): 128976120

約数和(自身を除く): 60571845

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 16001, 48003, 80005, 144009, 240015, 304019, 400025, 720045, 912057, 1200075, 1520095, 2736171, 3600225, 4560285, 7600475, 13680855, 22801425, 68404275]

約数ペア:

[(1, 68404275), (3, 22801425), (5, 13680855), (9, 7600475), (15, 4560285), (19, 3600225), (25, 2736171), (45, 1520095), (57, 1200075), (75, 912057), (95, 720045), (171, 400025), (225, 304019), (285, 240015), (475, 144009), (855, 80005), (1425, 48003), (4275, 16001)]