31891041

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 59195136

約数和(自身を除く): 27304095

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 1693, 2093, 2691, 5079, 6279, 11851, 15237, 18837, 22009, 35553, 38939, 66027, 106659, 116817, 154063, 198081, 272573, 350451, 462189, 506207, 817719, 1386567, 1518621, 2453157, 3543449, 4555863, 10630347, 31891041]

約数ペア:

[(1, 31891041), (3, 10630347), (7, 4555863), (9, 3543449), (13, 2453157), (21, 1518621), (23, 1386567), (39, 817719), (63, 506207), (69, 462189), (91, 350451), (117, 272573), (161, 198081), (207, 154063), (273, 116817), (299, 106659), (483, 66027), (819, 38939), (897, 35553), (1449, 22009), (1693, 18837), (2093, 15237), (2691, 11851), (5079, 6279)]