1290901275

素因数分解:

$3^2\times 5^2\times {\mathrm{1289}}^1\times {\mathrm{4451}}^1$

素因数の和:5756

約数の個数: 36

約数和(自身を含む): 2314461240

約数和(自身を除く): 1023559965

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1289, 3867, 4451, 6445, 11601, 13353, 19335, 22255, 32225, 40059, 58005, 66765, 96675, 111275, 200295, 290025, 333825, 1001475, 5737339, 17212017, 28686695, 51636051, 86060085, 143433475, 258180255, 430300425, 1290901275]

約数ペア:

[(1, 1290901275), (3, 430300425), (5, 258180255), (9, 143433475), (15, 86060085), (25, 51636051), (45, 28686695), (75, 17212017), (225, 5737339), (1289, 1001475), (3867, 333825), (4451, 290025), (6445, 200295), (11601, 111275), (13353, 96675), (19335, 66765), (22255, 58005), (32225, 40059)]