820199313

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 1248863616

約数和(自身を除く): 428664303

約数列:

[1, 3, 9, 37, 71, 111, 113, 213, 307, 333, 339, 639, 921, 1017, 2627, 2763, 4181, 7881, 8023, 11359, 12543, 21797, 23643, 24069, 34077, 34691, 37629, 65391, 72207, 102231, 104073, 196173, 296851, 312219, 806489, 890553, 1283567, 2419467, 2463061, 2671659, 3850701, 7258401, 7389183, 11552103, 22167549, 91133257, 273399771, 820199313]

約数ペア:

[(1, 820199313), (3, 273399771), (9, 91133257), (37, 22167549), (71, 11552103), (111, 7389183), (113, 7258401), (213, 3850701), (307, 2671659), (333, 2463061), (339, 2419467), (639, 1283567), (921, 890553), (1017, 806489), (2627, 312219), (2763, 296851), (4181, 196173), (7881, 104073), (8023, 102231), (11359, 72207), (12543, 65391), (21797, 37629), (23643, 34691), (24069, 34077)]