30240147

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 48540672

約数和(自身を除く): 18300525

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 411, 457, 483, 959, 1371, 2877, 3151, 3199, 9453, 9597, 10511, 22057, 31533, 62609, 66171, 73577, 187827, 220731, 438263, 1314789, 1440007, 4320021, 10080049, 30240147]

約数ペア:

[(1, 30240147), (3, 10080049), (7, 4320021), (21, 1440007), (23, 1314789), (69, 438263), (137, 220731), (161, 187827), (411, 73577), (457, 66171), (483, 62609), (959, 31533), (1371, 22057), (2877, 10511), (3151, 9597), (3199, 9453)]