30881921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2333}}^1$

素因数の和:2432

約数の個数: 16

約数和(自身を含む): 37045248

約数和(自身を除く): 6163327

約数列:

[1, 7, 31, 61, 217, 427, 1891, 2333, 13237, 16331, 72323, 142313, 506261, 996191, 4411703, 30881921]

約数ペア:

[(1, 30881921), (7, 4411703), (31, 996191), (61, 506261), (217, 142313), (427, 72323), (1891, 16331), (2333, 13237)]