127543329

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{42557}}^1$

素因数の和:42606

約数の個数: 20

約数和(自身を含む): 195681684

約数和(自身を除く): 68138355

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 42557, 127671, 383013, 1149039, 1574609, 3447117, 4723827, 14171481, 42514443, 127543329]

約数ペア:

[(1, 127543329), (3, 42514443), (9, 14171481), (27, 4723827), (37, 3447117), (81, 1574609), (111, 1149039), (333, 383013), (999, 127671), (2997, 42557)]