30208731

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 17100069

約数列:

[1, 3, 7, 21, 79, 131, 139, 237, 393, 417, 553, 917, 973, 1659, 2751, 2919, 10349, 10981, 18209, 31047, 32943, 54627, 72443, 76867, 127463, 217329, 230601, 382389, 1438511, 4315533, 10069577, 30208731]

約数ペア:

[(1, 30208731), (3, 10069577), (7, 4315533), (21, 1438511), (79, 382389), (131, 230601), (139, 217329), (237, 127463), (393, 76867), (417, 72443), (553, 54627), (917, 32943), (973, 31047), (1659, 18209), (2751, 10981), (2919, 10349)]