2606445

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 4752000

約数和(自身を除く): 2145555

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 449, 645, 1161, 1347, 1935, 2245, 4041, 5805, 6735, 12123, 19307, 20205, 57921, 60615, 96535, 173763, 289605, 521289, 868815, 2606445]

約数ペア:

[(1, 2606445), (3, 868815), (5, 521289), (9, 289605), (15, 173763), (27, 96535), (43, 60615), (45, 57921), (129, 20205), (135, 19307), (215, 12123), (387, 6735), (449, 5805), (645, 4041), (1161, 2245), (1347, 1935)]