200179917

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 357772800

約数和(自身を除く): 157592883

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 79, 81, 109, 123, 189, 237, 287, 327, 369, 553, 567, 711, 763, 861, 981, 1107, 1659, 2133, 2289, 2583, 2943, 3239, 3321, 4469, 4977, 6399, 6867, 7749, 8611, 8829, 9717, 13407, 14931, 20601, 22673, 23247, 25833, 29151, 31283, 40221, 44793, 60277, 61803, 68019, 77499, 87453, 93849, 120663, 180831, 204057, 232497, 262359, 281547, 353051, 361989, 542493, 612171, 697491, 844641, 1059153, 1627479, 1836513, 2471357, 2533923, 3177459, 4882437, 7414071, 9532377, 22242213, 28597131, 66726639, 200179917]

約数ペア:

[(1, 200179917), (3, 66726639), (7, 28597131), (9, 22242213), (21, 9532377), (27, 7414071), (41, 4882437), (63, 3177459), (79, 2533923), (81, 2471357), (109, 1836513), (123, 1627479), (189, 1059153), (237, 844641), (287, 697491), (327, 612171), (369, 542493), (553, 361989), (567, 353051), (711, 281547), (763, 262359), (861, 232497), (981, 204057), (1107, 180831), (1659, 120663), (2133, 93849), (2289, 87453), (2583, 77499), (2943, 68019), (3239, 61803), (3321, 60277), (4469, 44793), (4977, 40221), (6399, 31283), (6867, 29151), (7749, 25833), (8611, 23247), (8829, 22673), (9717, 20601), (13407, 14931)]