4991775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 9047040

約数和(自身を除く): 4055265

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 113, 155, 285, 339, 465, 475, 565, 589, 775, 1425, 1695, 1767, 2147, 2325, 2825, 2945, 3503, 6441, 8475, 8835, 10509, 10735, 14725, 17515, 32205, 44175, 52545, 53675, 66557, 87575, 161025, 199671, 262725, 332785, 998355, 1663925, 4991775]

約数ペア:

[(1, 4991775), (3, 1663925), (5, 998355), (15, 332785), (19, 262725), (25, 199671), (31, 161025), (57, 87575), (75, 66557), (93, 53675), (95, 52545), (113, 44175), (155, 32205), (285, 17515), (339, 14725), (465, 10735), (475, 10509), (565, 8835), (589, 8475), (775, 6441), (1425, 3503), (1695, 2945), (1767, 2825), (2147, 2325)]