921000615

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{5437}}^1$

素因数の和:5959

約数の個数: 32

約数和(自身を含む): 1541085696

約数和(自身を除く): 620085081

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 491, 1473, 2455, 5437, 7365, 11293, 16311, 27185, 33879, 56465, 81555, 125051, 169395, 375153, 625255, 1875765, 2669567, 8008701, 13347835, 40043505, 61400041, 184200123, 307000205, 921000615]

約数ペア:

[(1, 921000615), (3, 307000205), (5, 184200123), (15, 61400041), (23, 40043505), (69, 13347835), (115, 8008701), (345, 2669567), (491, 1875765), (1473, 625255), (2455, 375153), (5437, 169395), (7365, 125051), (11293, 81555), (16311, 56465), (27185, 33879)]