861750405

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{4909}}^1$

素因数の和:5050

約数の個数: 48

約数和(自身を含む): 1544175360

約数和(自身を除く): 682424955

約数列:

[1, 3, 5, 9, 15, 45, 47, 83, 141, 235, 249, 415, 423, 705, 747, 1245, 2115, 3735, 3901, 4909, 11703, 14727, 19505, 24545, 35109, 44181, 58515, 73635, 175545, 220905, 230723, 407447, 692169, 1153615, 1222341, 2037235, 2076507, 3460845, 3667023, 6111705, 10382535, 18335115, 19150009, 57450027, 95750045, 172350081, 287250135, 861750405]

約数ペア:

[(1, 861750405), (3, 287250135), (5, 172350081), (9, 95750045), (15, 57450027), (45, 19150009), (47, 18335115), (83, 10382535), (141, 6111705), (235, 3667023), (249, 3460845), (415, 2076507), (423, 2037235), (705, 1222341), (747, 1153615), (1245, 692169), (2115, 407447), (3735, 230723), (3901, 220905), (4909, 175545), (11703, 73635), (14727, 58515), (19505, 44181), (24545, 35109)]