4991031

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 7833600

約数和(自身を除く): 2842569

約数列:

[1, 3, 9, 27, 31, 67, 89, 93, 201, 267, 279, 603, 801, 837, 1809, 2077, 2403, 2759, 5963, 6231, 8277, 17889, 18693, 24831, 53667, 56079, 74493, 161001, 184853, 554559, 1663677, 4991031]

約数ペア:

[(1, 4991031), (3, 1663677), (9, 554559), (27, 184853), (31, 161001), (67, 74493), (89, 56079), (93, 53667), (201, 24831), (267, 18693), (279, 17889), (603, 8277), (801, 6231), (837, 5963), (1809, 2759), (2077, 2403)]