15120875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 23542272

約数和(自身を除く): 8421397

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1571, 1925, 7855, 9625, 10997, 17281, 39275, 54985, 86405, 120967, 196375, 274925, 432025, 604835, 1374625, 2160125, 3024175, 15120875]

約数ペア:

[(1, 15120875), (5, 3024175), (7, 2160125), (11, 1374625), (25, 604835), (35, 432025), (55, 274925), (77, 196375), (125, 120967), (175, 86405), (275, 54985), (385, 39275), (875, 17281), (1375, 10997), (1571, 9625), (1925, 7855)]