15687825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 27825600

約数和(自身を除く): 12137775

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 109, 285, 303, 327, 475, 505, 545, 1425, 1515, 1635, 1919, 2071, 2525, 2725, 5757, 6213, 7575, 8175, 9595, 10355, 11009, 28785, 31065, 33027, 47975, 51775, 55045, 143925, 155325, 165135, 209171, 275225, 627513, 825675, 1045855, 3137565, 5229275, 15687825]

約数ペア:

[(1, 15687825), (3, 5229275), (5, 3137565), (15, 1045855), (19, 825675), (25, 627513), (57, 275225), (75, 209171), (95, 165135), (101, 155325), (109, 143925), (285, 55045), (303, 51775), (327, 47975), (475, 33027), (505, 31065), (545, 28785), (1425, 11009), (1515, 10355), (1635, 9595), (1919, 8175), (2071, 7575), (2525, 6213), (2725, 5757)]