91870359

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 51830121

約数列:

[1, 3, 7, 21, 53, 159, 197, 371, 419, 591, 1113, 1257, 1379, 2933, 4137, 8799, 10441, 22207, 31323, 66621, 73087, 82543, 155449, 219261, 247629, 466347, 577801, 1733403, 4374779, 13124337, 30623453, 91870359]

約数ペア:

[(1, 91870359), (3, 30623453), (7, 13124337), (21, 4374779), (53, 1733403), (159, 577801), (197, 466347), (371, 247629), (419, 219261), (591, 155449), (1113, 82543), (1257, 73087), (1379, 66621), (2933, 31323), (4137, 22207), (8799, 10441)]