31126641

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1009}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 51582720

約数和(自身を除く): 20456079

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 791, 1009, 1469, 2373, 3027, 4407, 7063, 10283, 13117, 21189, 30849, 39351, 91819, 114017, 275457, 342051, 798119, 1482221, 2394357, 4446663, 10375547, 31126641]

約数ペア:

[(1, 31126641), (3, 10375547), (7, 4446663), (13, 2394357), (21, 1482221), (39, 798119), (91, 342051), (113, 275457), (273, 114017), (339, 91819), (791, 39351), (1009, 30849), (1469, 21189), (2373, 13117), (3027, 10283), (4407, 7063)]