290421045

素因数分解:

$3^4\times 5^1\times {\mathrm{717089}}^1$

素因数の和:717106

約数の個数: 20

約数和(自身を含む): 520607340

約数和(自身を除く): 230186295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 717089, 2151267, 3585445, 6453801, 10756335, 19361403, 32269005, 58084209, 96807015, 290421045]

約数ペア:

[(1, 290421045), (3, 96807015), (5, 58084209), (9, 32269005), (15, 19361403), (27, 10756335), (45, 6453801), (81, 3585445), (135, 2151267), (405, 717089)]