27760915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 17284589

約数列:

[1, 5, 7, 13, 17, 35, 37, 65, 85, 91, 97, 119, 185, 221, 259, 455, 481, 485, 595, 629, 679, 1105, 1261, 1295, 1547, 1649, 2405, 3145, 3367, 3395, 3589, 4403, 6305, 7735, 8177, 8245, 8827, 11543, 16835, 17945, 21437, 22015, 25123, 40885, 44135, 46657, 57239, 57715, 61013, 107185, 125615, 150059, 233285, 286195, 305065, 326599, 427091, 750295, 793169, 1632995, 2135455, 3965845, 5552183, 27760915]

約数ペア:

[(1, 27760915), (5, 5552183), (7, 3965845), (13, 2135455), (17, 1632995), (35, 793169), (37, 750295), (65, 427091), (85, 326599), (91, 305065), (97, 286195), (119, 233285), (185, 150059), (221, 125615), (259, 107185), (455, 61013), (481, 57715), (485, 57239), (595, 46657), (629, 44135), (679, 40885), (1105, 25123), (1261, 22015), (1295, 21437), (1547, 17945), (1649, 16835), (2405, 11543), (3145, 8827), (3367, 8245), (3395, 8177), (3589, 7735), (4403, 6305)]