155568021

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2351}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 249274368

約数和(自身を除く): 93706347

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 411, 483, 959, 2351, 2877, 3151, 7053, 9453, 16457, 22057, 49371, 54073, 66171, 162219, 322087, 378511, 966261, 1135533, 2254609, 6763827, 7408001, 22224003, 51856007, 155568021]

約数ペア:

[(1, 155568021), (3, 51856007), (7, 22224003), (21, 7408001), (23, 6763827), (69, 2254609), (137, 1135533), (161, 966261), (411, 378511), (483, 322087), (959, 162219), (2351, 66171), (2877, 54073), (3151, 49371), (7053, 22057), (9453, 16457)]