289587921

素因数分解:

$3^1\times 7^1\times {\mathrm{2557}}^1\times {\mathrm{5393}}^1$

素因数の和:7960

約数の個数: 16

約数和(自身を含む): 441531264

約数和(自身を除く): 151943343

約数列:

[1, 3, 7, 21, 2557, 5393, 7671, 16179, 17899, 37751, 53697, 113253, 13789901, 41369703, 96529307, 289587921]

約数ペア:

[(1, 289587921), (3, 96529307), (7, 41369703), (21, 13789901), (2557, 113253), (5393, 53697), (7671, 37751), (16179, 17899)]