17842797

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3989}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 12034323

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3989, 4473, 11967, 27923, 35901, 83769, 251307, 283219, 849657, 1982533, 2548971, 5947599, 17842797]

約数ペア:

[(1, 17842797), (3, 5947599), (7, 2548971), (9, 1982533), (21, 849657), (63, 283219), (71, 251307), (213, 83769), (497, 35901), (639, 27923), (1491, 11967), (3989, 4473)]