201979106721

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1\times {\mathrm{1063}}^1$

素因数の和:1651

約数の個数: 96

約数和(自身を含む): 342463500288

約数和(自身を除く): 140484393567

約数列:

[1, 3, 7, 9, 21, 63, 71, 107, 213, 321, 397, 497, 639, 749, 963, 1063, 1191, 1491, 2247, 2779, 3189, 3573, 4473, 6741, 7441, 7597, 8337, 9567, 22323, 22791, 25011, 28187, 42479, 53179, 66969, 68373, 75473, 84561, 113741, 127437, 159537, 197309, 226419, 253683, 297353, 341223, 382311, 422011, 478611, 528311, 591927, 679257, 796187, 892059, 1023669, 1266033, 1584933, 1775781, 2388561, 2676177, 2954077, 3016009, 3798099, 4754799, 7165683, 8075611, 8862231, 9048027, 21112063, 24226833, 26586693, 27144081, 29962781, 45155177, 56529277, 63336189, 72680499, 89888343, 135465531, 169587831, 190008567, 209739467, 269665029, 316086239, 406396593, 508763493, 629218401, 948258717, 1887655203, 2844776151, 3206017567, 9618052701, 22442122969, 28854158103, 67326368907, 201979106721]

約数ペア:

[(1, 201979106721), (3, 67326368907), (7, 28854158103), (9, 22442122969), (21, 9618052701), (63, 3206017567), (71, 2844776151), (107, 1887655203), (213, 948258717), (321, 629218401), (397, 508763493), (497, 406396593), (639, 316086239), (749, 269665029), (963, 209739467), (1063, 190008567), (1191, 169587831), (1491, 135465531), (2247, 89888343), (2779, 72680499), (3189, 63336189), (3573, 56529277), (4473, 45155177), (6741, 29962781), (7441, 27144081), (7597, 26586693), (8337, 24226833), (9567, 21112063), (22323, 9048027), (22791, 8862231), (25011, 8075611), (28187, 7165683), (42479, 4754799), (53179, 3798099), (66969, 3016009), (68373, 2954077), (75473, 2676177), (84561, 2388561), (113741, 1775781), (127437, 1584933), (159537, 1266033), (197309, 1023669), (226419, 892059), (253683, 796187), (297353, 679257), (341223, 591927), (382311, 528311), (422011, 478611)]