77621775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13441}}^1$

素因数の和:13472

約数の個数: 48

約数和(自身を含む): 160013568

約数和(自身を除く): 82391793

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 5775, 13441, 40323, 67205, 94087, 147851, 201615, 282261, 336025, 443553, 470435, 739255, 1008075, 1034957, 1411305, 2217765, 2352175, 3104871, 3696275, 5174785, 7056525, 11088825, 15524355, 25873925, 77621775]

約数ペア:

[(1, 77621775), (3, 25873925), (5, 15524355), (7, 11088825), (11, 7056525), (15, 5174785), (21, 3696275), (25, 3104871), (33, 2352175), (35, 2217765), (55, 1411305), (75, 1034957), (77, 1008075), (105, 739255), (165, 470435), (175, 443553), (231, 336025), (275, 282261), (385, 201615), (525, 147851), (825, 94087), (1155, 67205), (1925, 40323), (5775, 13441)]