28576665

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 29080935

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 857, 1235, 1755, 2223, 2565, 2571, 3705, 4285, 6669, 7713, 11115, 11141, 12855, 16283, 23139, 33345, 33423, 38565, 48849, 55705, 81415, 100269, 115695, 146547, 167115, 211679, 244245, 300807, 439641, 501345, 635037, 732735, 1058395, 1504035, 1905111, 2198205, 3175185, 5715333, 9525555, 28576665]

約数ペア:

[(1, 28576665), (3, 9525555), (5, 5715333), (9, 3175185), (13, 2198205), (15, 1905111), (19, 1504035), (27, 1058395), (39, 732735), (45, 635037), (57, 501345), (65, 439641), (95, 300807), (117, 244245), (135, 211679), (171, 167115), (195, 146547), (247, 115695), (285, 100269), (351, 81415), (513, 55705), (585, 48849), (741, 38565), (855, 33423), (857, 33345), (1235, 23139), (1755, 16283), (2223, 12855), (2565, 11141), (2571, 11115), (3705, 7713), (4285, 6669)]