64654821

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 120821760

約数和(自身を除く): 56166939

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 137, 189, 227, 231, 297, 411, 681, 693, 959, 1233, 1507, 1589, 2043, 2079, 2497, 2877, 3699, 4521, 4767, 6129, 7491, 8631, 10549, 13563, 14301, 17479, 22473, 25893, 31099, 31647, 40689, 42903, 52437, 67419, 93297, 94941, 157311, 217693, 279891, 284823, 342089, 471933, 653079, 839673, 1026267, 1959237, 2394623, 3078801, 5877711, 7183869, 9236403, 21551607, 64654821]

約数ペア:

[(1, 64654821), (3, 21551607), (7, 9236403), (9, 7183869), (11, 5877711), (21, 3078801), (27, 2394623), (33, 1959237), (63, 1026267), (77, 839673), (99, 653079), (137, 471933), (189, 342089), (227, 284823), (231, 279891), (297, 217693), (411, 157311), (681, 94941), (693, 93297), (959, 67419), (1233, 52437), (1507, 42903), (1589, 40689), (2043, 31647), (2079, 31099), (2497, 25893), (2877, 22473), (3699, 17479), (4521, 14301), (4767, 13563), (6129, 10549), (7491, 8631)]