201639837

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6397}}^1$

素因数の和:6505

約数の個数: 32

約数和(自身を含む): 327577600

約数和(自身を除く): 125937763

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 6397, 10507, 19191, 31521, 44779, 121543, 134337, 364629, 505363, 850801, 1516089, 2552403, 3537541, 9601897, 10612623, 28805691, 67213279, 201639837]

約数ペア:

[(1, 201639837), (3, 67213279), (7, 28805691), (19, 10612623), (21, 9601897), (57, 3537541), (79, 2552403), (133, 1516089), (237, 850801), (399, 505363), (553, 364629), (1501, 134337), (1659, 121543), (4503, 44779), (6397, 31521), (10507, 19191)]