81167115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 139037472

約数和(自身を除く): 57870357

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 193, 265, 345, 529, 579, 795, 965, 1219, 1587, 2645, 2895, 3657, 4439, 6095, 7935, 10229, 13317, 18285, 22195, 28037, 30687, 51145, 66585, 84111, 102097, 140185, 153435, 235267, 306291, 420555, 510485, 705801, 1176335, 1531455, 3529005, 5411141, 16233423, 27055705, 81167115]

約数ペア:

[(1, 81167115), (3, 27055705), (5, 16233423), (15, 5411141), (23, 3529005), (53, 1531455), (69, 1176335), (115, 705801), (159, 510485), (193, 420555), (265, 306291), (345, 235267), (529, 153435), (579, 140185), (795, 102097), (965, 84111), (1219, 66585), (1587, 51145), (2645, 30687), (2895, 28037), (3657, 22195), (4439, 18285), (6095, 13317), (7935, 10229)]