28022475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 23161749

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 701, 975, 1025, 1599, 2103, 2665, 3075, 3505, 7995, 9113, 10515, 13325, 17525, 27339, 28741, 39975, 45565, 52575, 86223, 136695, 143705, 227825, 373633, 431115, 683475, 718525, 1120899, 1868165, 2155575, 5604495, 9340825, 28022475]

約数ペア:

[(1, 28022475), (3, 9340825), (5, 5604495), (13, 2155575), (15, 1868165), (25, 1120899), (39, 718525), (41, 683475), (65, 431115), (75, 373633), (123, 227825), (195, 143705), (205, 136695), (325, 86223), (533, 52575), (615, 45565), (701, 39975), (975, 28741), (1025, 27339), (1599, 17525), (2103, 13325), (2665, 10515), (3075, 9113), (3505, 7995)]