291213285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4889}}^1$

素因数の和:4946

約数の個数: 48

約数和(自身を含む): 536569920

約数和(自身を除く): 245356635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 361, 627, 1045, 1083, 1805, 3135, 3971, 4889, 5415, 11913, 14667, 19855, 24445, 53779, 59565, 73335, 92891, 161337, 268895, 278673, 464455, 806685, 1021801, 1393365, 1764929, 3065403, 5109005, 5294787, 8824645, 15327015, 19414219, 26473935, 58242657, 97071095, 291213285]

約数ペア:

[(1, 291213285), (3, 97071095), (5, 58242657), (11, 26473935), (15, 19414219), (19, 15327015), (33, 8824645), (55, 5294787), (57, 5109005), (95, 3065403), (165, 1764929), (209, 1393365), (285, 1021801), (361, 806685), (627, 464455), (1045, 278673), (1083, 268895), (1805, 161337), (3135, 92891), (3971, 73335), (4889, 59565), (5415, 53779), (11913, 24445), (14667, 19855)]