201431565

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 366125760

約数和(自身を除く): 164694195

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 369, 387, 615, 645, 1763, 1845, 1935, 2539, 5289, 7617, 8815, 12695, 15867, 22851, 26445, 38085, 79335, 104099, 109177, 114255, 312297, 327531, 520495, 545885, 936891, 982593, 1561485, 1637655, 4476257, 4684455, 4912965, 13428771, 22381285, 40286313, 67143855, 201431565]

約数ペア:

[(1, 201431565), (3, 67143855), (5, 40286313), (9, 22381285), (15, 13428771), (41, 4912965), (43, 4684455), (45, 4476257), (123, 1637655), (129, 1561485), (205, 982593), (215, 936891), (369, 545885), (387, 520495), (615, 327531), (645, 312297), (1763, 114255), (1845, 109177), (1935, 104099), (2539, 79335), (5289, 38085), (7617, 26445), (8815, 22851), (12695, 15867)]