661298967

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 1186099200

約数和(自身を除く): 524800233

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 79, 109, 159, 161, 207, 237, 327, 371, 477, 483, 553, 711, 763, 981, 1113, 1219, 1449, 1659, 1817, 2289, 2507, 3339, 3657, 4187, 4977, 5451, 5777, 6867, 7521, 8533, 8611, 10971, 12561, 12719, 16353, 17331, 17549, 22563, 25599, 25833, 29309, 37683, 38157, 40439, 51993, 52647, 60277, 76797, 77499, 87927, 96301, 114471, 121317, 132871, 157941, 180831, 198053, 263781, 288903, 363951, 398613, 456383, 542493, 594159, 674107, 866709, 930097, 1195839, 1369149, 1386371, 1782477, 2022321, 2790291, 3194681, 4107447, 4159113, 6066963, 8370873, 9584043, 10496809, 12477339, 28752129, 31490427, 73477663, 94471281, 220432989, 661298967]

約数ペア:

[(1, 661298967), (3, 220432989), (7, 94471281), (9, 73477663), (21, 31490427), (23, 28752129), (53, 12477339), (63, 10496809), (69, 9584043), (79, 8370873), (109, 6066963), (159, 4159113), (161, 4107447), (207, 3194681), (237, 2790291), (327, 2022321), (371, 1782477), (477, 1386371), (483, 1369149), (553, 1195839), (711, 930097), (763, 866709), (981, 674107), (1113, 594159), (1219, 542493), (1449, 456383), (1659, 398613), (1817, 363951), (2289, 288903), (2507, 263781), (3339, 198053), (3657, 180831), (4187, 157941), (4977, 132871), (5451, 121317), (5777, 114471), (6867, 96301), (7521, 87927), (8533, 77499), (8611, 76797), (10971, 60277), (12561, 52647), (12719, 51993), (16353, 40439), (17331, 38157), (17549, 37683), (22563, 29309), (25599, 25833)]