28914675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 22153485

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 197, 285, 309, 475, 515, 591, 985, 1425, 1545, 1957, 2575, 2955, 3743, 4925, 5871, 7725, 9785, 11229, 14775, 18715, 20291, 29355, 48925, 56145, 60873, 93575, 101455, 146775, 280725, 304365, 385529, 507275, 1156587, 1521825, 1927645, 5782935, 9638225, 28914675]

約数ペア:

[(1, 28914675), (3, 9638225), (5, 5782935), (15, 1927645), (19, 1521825), (25, 1156587), (57, 507275), (75, 385529), (95, 304365), (103, 280725), (197, 146775), (285, 101455), (309, 93575), (475, 60873), (515, 56145), (591, 48925), (985, 29355), (1425, 20291), (1545, 18715), (1957, 14775), (2575, 11229), (2955, 9785), (3743, 7725), (4925, 5871)]