31370031

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 58982400

約数和(自身を除く): 27612369

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 79, 99, 189, 191, 231, 237, 297, 553, 573, 693, 711, 869, 1337, 1659, 1719, 2079, 2101, 2133, 2607, 4011, 4977, 5157, 6083, 6303, 7821, 12033, 14707, 14931, 15089, 18249, 18909, 23463, 36099, 44121, 45267, 54747, 56727, 105623, 132363, 135801, 164241, 165979, 316869, 397089, 407403, 497937, 950607, 1161853, 1493811, 2851821, 3485559, 4481433, 10456677, 31370031]

約数ペア:

[(1, 31370031), (3, 10456677), (7, 4481433), (9, 3485559), (11, 2851821), (21, 1493811), (27, 1161853), (33, 950607), (63, 497937), (77, 407403), (79, 397089), (99, 316869), (189, 165979), (191, 164241), (231, 135801), (237, 132363), (297, 105623), (553, 56727), (573, 54747), (693, 45267), (711, 44121), (869, 36099), (1337, 23463), (1659, 18909), (1719, 18249), (2079, 15089), (2101, 14931), (2133, 14707), (2607, 12033), (4011, 7821), (4977, 6303), (5157, 6083)]