81788019

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1\times {\mathrm{1277}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 112279968

約数和(自身を除く): 30491949

約数列:

[1, 3, 37, 111, 577, 1277, 1731, 3831, 21349, 47249, 64047, 141747, 736829, 2210487, 27262673, 81788019]

約数ペア:

[(1, 81788019), (3, 27262673), (37, 2210487), (111, 736829), (577, 141747), (1277, 64047), (1731, 47249), (3831, 21349)]