178972425

素因数分解:

$3^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{2957}}^1$

素因数の和:3242

約数の個数: 36

約数和(自身を含む): 321859980

約数和(自身を除く): 142887555

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 269, 807, 1345, 2421, 2957, 4035, 6725, 8871, 12105, 14785, 20175, 26613, 44355, 60525, 73925, 133065, 221775, 665325, 795433, 2386299, 3977165, 7158897, 11931495, 19885825, 35794485, 59657475, 178972425]

約数ペア:

[(1, 178972425), (3, 59657475), (5, 35794485), (9, 19885825), (15, 11931495), (25, 7158897), (45, 3977165), (75, 2386299), (225, 795433), (269, 665325), (807, 221775), (1345, 133065), (2421, 73925), (2957, 60525), (4035, 44355), (6725, 26613), (8871, 20175), (12105, 14785)]