805220997

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{42557}}^1$

素因数の和:42637

約数の個数: 32

約数和(自身を含む): 1323724032

約数和(自身を除く): 518503035

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 6307, 18921, 42557, 127671, 297899, 723469, 893697, 2170407, 2255521, 5064283, 6766563, 15192849, 15788647, 38343857, 47365941, 115031571, 268406999, 805220997]

約数ペア:

[(1, 805220997), (3, 268406999), (7, 115031571), (17, 47365941), (21, 38343857), (51, 15788647), (53, 15192849), (119, 6766563), (159, 5064283), (357, 2255521), (371, 2170407), (901, 893697), (1113, 723469), (2703, 297899), (6307, 127671), (18921, 42557)]