16504965

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 40

約数和(自身を含む): 30004128

約数和(自身を除く): 13499163

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 491, 747, 1245, 1473, 2241, 2455, 3735, 4419, 6723, 7365, 11205, 13257, 22095, 33615, 39771, 40753, 66285, 122259, 198855, 203765, 366777, 611295, 1100331, 1833885, 3300993, 5501655, 16504965]

約数ペア:

[(1, 16504965), (3, 5501655), (5, 3300993), (9, 1833885), (15, 1100331), (27, 611295), (45, 366777), (81, 203765), (83, 198855), (135, 122259), (249, 66285), (405, 40753), (415, 39771), (491, 33615), (747, 22095), (1245, 13257), (1473, 11205), (2241, 7365), (2455, 6723), (3735, 4419)]