4220559

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 7242240

約数和(自身を除く): 3021681

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 163, 189, 411, 489, 959, 1141, 1233, 1467, 2877, 3423, 3699, 4401, 8631, 10269, 22331, 25893, 30807, 66993, 156317, 200979, 468951, 602937, 1406853, 4220559]

約数ペア:

[(1, 4220559), (3, 1406853), (7, 602937), (9, 468951), (21, 200979), (27, 156317), (63, 66993), (137, 30807), (163, 25893), (189, 22331), (411, 10269), (489, 8631), (959, 4401), (1141, 3699), (1233, 3423), (1467, 2877)]