217455549

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{7229}}^1$

素因数の和:7540

約数の個数: 16

約数和(自身を含む): 298917120

約数和(自身を除く): 81461571

約数列:

[1, 3, 37, 111, 271, 813, 7229, 10027, 21687, 30081, 267473, 802419, 1959059, 5877177, 72485183, 217455549]

約数ペア:

[(1, 217455549), (3, 72485183), (37, 5877177), (111, 1959059), (271, 802419), (813, 267473), (7229, 30081), (10027, 21687)]