1291031775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5861}}^1$

素因数の和:5977

約数の個数: 72

約数和(自身を含む): 2551376880

約数和(自身を除く): 1260345105

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 99, 165, 225, 267, 275, 445, 495, 801, 825, 979, 1335, 2225, 2475, 2937, 4005, 4895, 5861, 6675, 8811, 14685, 17583, 20025, 24475, 29305, 44055, 52749, 64471, 73425, 87915, 146525, 193413, 220275, 263745, 322355, 439575, 521629, 580239, 967065, 1318725, 1564887, 1611775, 2608145, 2901195, 4694661, 4835325, 5737919, 7824435, 13040725, 14505975, 17213757, 23473305, 28689595, 39122175, 51641271, 86068785, 117366525, 143447975, 258206355, 430343925, 1291031775]

約数ペア:

[(1, 1291031775), (3, 430343925), (5, 258206355), (9, 143447975), (11, 117366525), (15, 86068785), (25, 51641271), (33, 39122175), (45, 28689595), (55, 23473305), (75, 17213757), (89, 14505975), (99, 13040725), (165, 7824435), (225, 5737919), (267, 4835325), (275, 4694661), (445, 2901195), (495, 2608145), (801, 1611775), (825, 1564887), (979, 1318725), (1335, 967065), (2225, 580239), (2475, 521629), (2937, 439575), (4005, 322355), (4895, 263745), (5861, 220275), (6675, 193413), (8811, 146525), (14685, 87915), (17583, 73425), (20025, 64471), (24475, 52749), (29305, 44055)]