318969

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 541632

約数和(自身を除く): 222663

約数列:

[1, 3, 7, 9, 21, 61, 63, 83, 183, 249, 427, 549, 581, 747, 1281, 1743, 3843, 5063, 5229, 15189, 35441, 45567, 106323, 318969]

約数ペア:

[(1, 318969), (3, 106323), (7, 45567), (9, 35441), (21, 15189), (61, 5229), (63, 5063), (83, 3843), (183, 1743), (249, 1281), (427, 747), (549, 581)]