145629009

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{20201}}^1$

素因数の和:20302

約数の個数: 20

約数和(自身を含む): 219999780

約数和(自身を除く): 74370771

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 20201, 60603, 181809, 545427, 1636281, 1797889, 5393667, 16181001, 48543003, 145629009]

約数ペア:

[(1, 145629009), (3, 48543003), (9, 16181001), (27, 5393667), (81, 1797889), (89, 1636281), (267, 545427), (801, 181809), (2403, 60603), (7209, 20201)]