2018034405

素因数分解:

$3^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{7211}}^1$

素因数の和:7919

約数の個数: 40

約数和(自身を含む): 3623251104

約数和(自身を除く): 1605216699

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 691, 2073, 3455, 6219, 7211, 10365, 18657, 21633, 31095, 36055, 55971, 64899, 93285, 108165, 194697, 279855, 324495, 584091, 973485, 2920455, 4982801, 14948403, 24914005, 44845209, 74742015, 134535627, 224226045, 403606881, 672678135, 2018034405]

約数ペア:

[(1, 2018034405), (3, 672678135), (5, 403606881), (9, 224226045), (15, 134535627), (27, 74742015), (45, 44845209), (81, 24914005), (135, 14948403), (405, 4982801), (691, 2920455), (2073, 973485), (3455, 584091), (6219, 324495), (7211, 279855), (10365, 194697), (18657, 108165), (21633, 93285), (31095, 64899), (36055, 55971)]