148931217

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{3301}}^1$

素因数の和:3870

約数の個数: 20

約数和(自身を含む): 222944436

約数和(自身を除く): 74013219

約数列:

[1, 3, 9, 27, 81, 557, 1671, 3301, 5013, 9903, 15039, 29709, 45117, 89127, 267381, 1838657, 5515971, 16547913, 49643739, 148931217]

約数ペア:

[(1, 148931217), (3, 49643739), (9, 16547913), (27, 5515971), (81, 1838657), (557, 267381), (1671, 89127), (3301, 45117), (5013, 29709), (9903, 15039)]