2803677981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 4359290880

約数和(自身を除く): 1555612899

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 223, 247, 361, 611, 669, 741, 893, 1083, 1833, 2679, 2899, 4237, 4693, 6859, 8697, 10481, 11609, 12711, 14079, 16967, 20577, 31443, 34827, 50901, 55081, 80503, 89167, 136253, 165243, 199139, 220571, 241509, 267501, 322373, 408759, 597417, 661713, 967119, 1046539, 1529557, 2588807, 3139617, 3783641, 4190849, 4588671, 7766421, 11350923, 12572547, 19884241, 49187333, 59652723, 71889179, 147561999, 215667537, 934559327, 2803677981]

約数ペア:

[(1, 2803677981), (3, 934559327), (13, 215667537), (19, 147561999), (39, 71889179), (47, 59652723), (57, 49187333), (141, 19884241), (223, 12572547), (247, 11350923), (361, 7766421), (611, 4588671), (669, 4190849), (741, 3783641), (893, 3139617), (1083, 2588807), (1833, 1529557), (2679, 1046539), (2899, 967119), (4237, 661713), (4693, 597417), (6859, 408759), (8697, 322373), (10481, 267501), (11609, 241509), (12711, 220571), (14079, 199139), (16967, 165243), (20577, 136253), (31443, 89167), (34827, 80503), (50901, 55081)]