128232015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{757}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 214811136

約数和(自身を除く): 86579121

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 491, 757, 1473, 2271, 2455, 3785, 7365, 11293, 11355, 17411, 33879, 52233, 56465, 87055, 169395, 261165, 371687, 1115061, 1858435, 5575305, 8548801, 25646403, 42744005, 128232015]

約数ペア:

[(1, 128232015), (3, 42744005), (5, 25646403), (15, 8548801), (23, 5575305), (69, 1858435), (115, 1115061), (345, 371687), (491, 261165), (757, 169395), (1473, 87055), (2271, 56465), (2455, 52233), (3785, 33879), (7365, 17411), (11293, 11355)]