221460975

素因数分解:

$3^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{3659}}^1$

素因数の和:3944

約数の個数: 36

約数和(自身を含む): 398244600

約数和(自身を除く): 176783625

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 269, 807, 1345, 2421, 3659, 4035, 6725, 10977, 12105, 18295, 20175, 32931, 54885, 60525, 91475, 164655, 274425, 823275, 984271, 2952813, 4921355, 8858439, 14764065, 24606775, 44292195, 73820325, 221460975]

約数ペア:

[(1, 221460975), (3, 73820325), (5, 44292195), (9, 24606775), (15, 14764065), (25, 8858439), (45, 4921355), (75, 2952813), (225, 984271), (269, 823275), (807, 274425), (1345, 164655), (2421, 91475), (3659, 60525), (4035, 54885), (6725, 32931), (10977, 20175), (12105, 18295)]