71215277

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 86326272

約数和(自身を除く): 15110995

約数列:

[1, 7, 31, 49, 173, 217, 271, 1211, 1519, 1897, 5363, 8401, 8477, 13279, 37541, 46883, 58807, 262787, 328181, 411649, 1453373, 2297267, 10173611, 71215277]

約数ペア:

[(1, 71215277), (7, 10173611), (31, 2297267), (49, 1453373), (173, 411649), (217, 328181), (271, 262787), (1211, 58807), (1519, 46883), (1897, 37541), (5363, 13279), (8401, 8477)]