18322047

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 27394848

約数和(自身を除く): 9072801

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 541, 639, 1623, 3763, 4869, 11289, 28673, 33867, 38411, 86019, 115233, 258057, 345699, 2035783, 6107349, 18322047]

約数ペア:

[(1, 18322047), (3, 6107349), (9, 2035783), (53, 345699), (71, 258057), (159, 115233), (213, 86019), (477, 38411), (541, 33867), (639, 28673), (1623, 11289), (3763, 4869)]