2180145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 3878784

約数和(自身を除く): 1698639

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 181, 219, 365, 543, 803, 905, 1095, 1991, 2409, 2715, 4015, 5973, 9955, 12045, 13213, 29865, 39639, 66065, 145343, 198195, 436029, 726715, 2180145]

約数ペア:

[(1, 2180145), (3, 726715), (5, 436029), (11, 198195), (15, 145343), (33, 66065), (55, 39639), (73, 29865), (165, 13213), (181, 12045), (219, 9955), (365, 5973), (543, 4015), (803, 2715), (905, 2409), (1095, 1991)]