51215127

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 74323200

約数和(自身を除く): 23108073

約数列:

[1, 3, 19, 57, 59, 97, 157, 177, 291, 471, 1121, 1843, 2983, 3363, 5529, 5723, 8949, 9263, 15229, 17169, 27789, 45687, 108737, 175997, 289351, 326211, 527991, 868053, 898511, 2695533, 17071709, 51215127]

約数ペア:

[(1, 51215127), (3, 17071709), (19, 2695533), (57, 898511), (59, 868053), (97, 527991), (157, 326211), (177, 289351), (291, 175997), (471, 108737), (1121, 45687), (1843, 27789), (2983, 17169), (3363, 15229), (5529, 9263), (5723, 8949)]