1900723797

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 3340296960

約数和(自身を除く): 1439573163

約数列:

[1, 3, 7, 9, 21, 41, 43, 63, 109, 123, 129, 157, 287, 301, 327, 369, 387, 471, 763, 861, 903, 981, 1099, 1413, 1763, 2289, 2583, 2709, 3297, 4469, 4687, 5289, 6437, 6751, 6867, 9891, 12341, 13407, 14061, 15867, 17113, 19311, 20253, 31283, 32809, 37023, 40221, 42183, 45059, 47257, 51339, 57933, 60759, 93849, 98427, 111069, 119791, 135177, 141771, 154017, 192167, 276791, 281547, 295281, 359373, 405531, 425313, 576501, 701633, 735859, 830373, 1078119, 1345169, 1729503, 1937537, 2104899, 2207577, 2491119, 4035507, 4911431, 5151013, 5812611, 6314697, 6622731, 12106521, 14734293, 15453039, 17437833, 30170219, 44202879, 46359117, 90510657, 211191533, 271531971, 633574599, 1900723797]

約数ペア:

[(1, 1900723797), (3, 633574599), (7, 271531971), (9, 211191533), (21, 90510657), (41, 46359117), (43, 44202879), (63, 30170219), (109, 17437833), (123, 15453039), (129, 14734293), (157, 12106521), (287, 6622731), (301, 6314697), (327, 5812611), (369, 5151013), (387, 4911431), (471, 4035507), (763, 2491119), (861, 2207577), (903, 2104899), (981, 1937537), (1099, 1729503), (1413, 1345169), (1763, 1078119), (2289, 830373), (2583, 735859), (2709, 701633), (3297, 576501), (4469, 425313), (4687, 405531), (5289, 359373), (6437, 295281), (6751, 281547), (6867, 276791), (9891, 192167), (12341, 154017), (13407, 141771), (14061, 135177), (15867, 119791), (17113, 111069), (19311, 98427), (20253, 93849), (31283, 60759), (32809, 57933), (37023, 51339), (40221, 47257), (42183, 45059)]