2158191

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 3852800

約数和(自身を除く): 1694609

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 601, 1197, 1803, 3591, 4207, 5409, 11419, 12621, 16227, 34257, 37863, 79933, 102771, 113589, 239799, 308313, 719397, 2158191]

約数ペア:

[(1, 2158191), (3, 719397), (7, 308313), (9, 239799), (19, 113589), (21, 102771), (27, 79933), (57, 37863), (63, 34257), (133, 16227), (171, 12621), (189, 11419), (399, 5409), (513, 4207), (601, 3591), (1197, 1803)]