155938321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 204374016

約数和(自身を除く): 48435695

約数列:

[1, 7, 11, 23, 77, 161, 191, 253, 461, 1337, 1771, 2101, 3227, 4393, 5071, 10603, 14707, 30751, 35497, 48323, 74221, 88051, 116633, 338261, 616357, 816431, 968561, 2025173, 6779927, 14176211, 22276903, 155938321]

約数ペア:

[(1, 155938321), (7, 22276903), (11, 14176211), (23, 6779927), (77, 2025173), (161, 968561), (191, 816431), (253, 616357), (461, 338261), (1337, 116633), (1771, 88051), (2101, 74221), (3227, 48323), (4393, 35497), (5071, 30751), (10603, 14707)]