25731447

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 14980233

約数列:

[1, 3, 7, 21, 53, 61, 159, 183, 371, 379, 427, 1113, 1137, 1281, 2653, 3233, 7959, 9699, 20087, 22631, 23119, 60261, 67893, 69357, 140609, 161833, 421827, 485499, 1225307, 3675921, 8577149, 25731447]

約数ペア:

[(1, 25731447), (3, 8577149), (7, 3675921), (21, 1225307), (53, 485499), (61, 421827), (159, 161833), (183, 140609), (371, 69357), (379, 67893), (427, 60261), (1113, 23119), (1137, 22631), (1281, 20087), (2653, 9699), (3233, 7959)]