128368191

素因数分解:

$3^1\times 7^2\times {\mathrm{601}}^1\times {\mathrm{1453}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 199570224

約数和(自身を除く): 71202033

約数列:

[1, 3, 7, 21, 49, 147, 601, 1453, 1803, 4207, 4359, 10171, 12621, 29449, 30513, 71197, 88347, 213591, 873253, 2619759, 6112771, 18338313, 42789397, 128368191]

約数ペア:

[(1, 128368191), (3, 42789397), (7, 18338313), (21, 6112771), (49, 2619759), (147, 873253), (601, 213591), (1453, 88347), (1803, 71197), (4207, 30513), (4359, 29449), (10171, 12621)]