64260417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20857}}^1$

素因数の和:20952

約数の個数: 16

約数和(自身を含む): 93443840

約数和(自身を除く): 29183423

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 20857, 62571, 271141, 813423, 1647703, 4943109, 21420139, 64260417]

約数ペア:

[(1, 64260417), (3, 21420139), (13, 4943109), (39, 1647703), (79, 813423), (237, 271141), (1027, 62571), (3081, 20857)]