217459275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13873}}^1$

素因数の和:13916

約数の個数: 48

約数和(自身を含む): 412890240

約数和(自身を除く): 195430965

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 13873, 15675, 41619, 69365, 152603, 208095, 263587, 346825, 457809, 763015, 790761, 1040475, 1317935, 2289045, 2899457, 3815075, 3953805, 6589675, 8698371, 11445225, 14497285, 19769025, 43491855, 72486425, 217459275]

約数ペア:

[(1, 217459275), (3, 72486425), (5, 43491855), (11, 19769025), (15, 14497285), (19, 11445225), (25, 8698371), (33, 6589675), (55, 3953805), (57, 3815075), (75, 2899457), (95, 2289045), (165, 1317935), (209, 1040475), (275, 790761), (285, 763015), (475, 457809), (627, 346825), (825, 263587), (1045, 208095), (1425, 152603), (3135, 69365), (5225, 41619), (13873, 15675)]