268019715

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 434345472

約数和(自身を除く): 166325757

約数列:

[1, 3, 5, 15, 151, 241, 453, 491, 723, 755, 1205, 1473, 2265, 2455, 3615, 7365, 36391, 74141, 109173, 118331, 181955, 222423, 354993, 370705, 545865, 591655, 1112115, 1774965, 17867981, 53603943, 89339905, 268019715]

約数ペア:

[(1, 268019715), (3, 89339905), (5, 53603943), (15, 17867981), (151, 1774965), (241, 1112115), (453, 591655), (491, 545865), (723, 370705), (755, 354993), (1205, 222423), (1473, 181955), (2265, 118331), (2455, 109173), (3615, 74141), (7365, 36391)]