64665135

素因数分解:

$3^4\times 5^1\times {\mathrm{159667}}^1$

素因数の和:159684

約数の個数: 20

約数和(自身を含む): 115918968

約数和(自身を除く): 51253833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159667, 479001, 798335, 1437003, 2395005, 4311009, 7185015, 12933027, 21555045, 64665135]

約数ペア:

[(1, 64665135), (3, 21555045), (5, 12933027), (9, 7185015), (15, 4311009), (27, 2395005), (45, 1437003), (81, 798335), (135, 479001), (405, 159667)]