19775331

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 10416285

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1151, 1909, 3453, 5727, 10359, 17181, 26473, 79419, 95533, 238257, 286599, 859797, 2197259, 6591777, 19775331]

約数ペア:

[(1, 19775331), (3, 6591777), (9, 2197259), (23, 859797), (69, 286599), (83, 238257), (207, 95533), (249, 79419), (747, 26473), (1151, 17181), (1909, 10359), (3453, 5727)]