4220991

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:125

約数の個数: 30

約数和(自身を含む): 6671456

約数和(自身を除く): 2450465

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 279, 369, 837, 1107, 1271, 1681, 2511, 3321, 3813, 5043, 11439, 15129, 34317, 45387, 52111, 102951, 136161, 156333, 468999, 1406997, 4220991]

約数ペア:

[(1, 4220991), (3, 1406997), (9, 468999), (27, 156333), (31, 136161), (41, 102951), (81, 52111), (93, 45387), (123, 34317), (279, 15129), (369, 11439), (837, 5043), (1107, 3813), (1271, 3321), (1681, 2511)]