155521359

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{27737}}^1$

素因数の和:27839

約数の個数: 24

約数和(自身を含む): 259627680

約数和(自身を除く): 104106321

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 27737, 83211, 194159, 249633, 582477, 1747431, 2468593, 7405779, 17280151, 22217337, 51840453, 155521359]

約数ペア:

[(1, 155521359), (3, 51840453), (7, 22217337), (9, 17280151), (21, 7405779), (63, 2468593), (89, 1747431), (267, 582477), (623, 249633), (801, 194159), (1869, 83211), (5607, 27737)]