2638965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 4951296

約数和(自身を除く): 2312331

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 613, 615, 861, 1435, 1839, 3065, 4291, 4305, 9195, 12873, 21455, 25133, 64365, 75399, 125665, 175931, 376995, 527793, 879655, 2638965]

約数ペア:

[(1, 2638965), (3, 879655), (5, 527793), (7, 376995), (15, 175931), (21, 125665), (35, 75399), (41, 64365), (105, 25133), (123, 21455), (205, 12873), (287, 9195), (613, 4305), (615, 4291), (861, 3065), (1435, 1839)]