65381325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 113659392

約数和(自身を除く): 48278067

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 155, 183, 305, 461, 465, 775, 915, 1383, 1525, 1891, 2305, 2325, 4575, 5673, 6915, 9455, 11525, 14291, 28121, 28365, 34575, 42873, 47275, 71455, 84363, 140605, 141825, 214365, 357275, 421815, 703025, 871751, 1071825, 2109075, 2615253, 4358755, 13076265, 21793775, 65381325]

約数ペア:

[(1, 65381325), (3, 21793775), (5, 13076265), (15, 4358755), (25, 2615253), (31, 2109075), (61, 1071825), (75, 871751), (93, 703025), (155, 421815), (183, 357275), (305, 214365), (461, 141825), (465, 140605), (775, 84363), (915, 71455), (1383, 47275), (1525, 42873), (1891, 34575), (2305, 28365), (2325, 28121), (4575, 14291), (5673, 11525), (6915, 9455)]