42197481

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 62244000

約数和(自身を除く): 20046519

約数列:

[1, 3, 9, 89, 139, 267, 379, 417, 801, 1137, 1251, 3411, 12371, 33731, 37113, 52681, 101193, 111339, 158043, 303579, 474129, 4688609, 14065827, 42197481]

約数ペア:

[(1, 42197481), (3, 14065827), (9, 4688609), (89, 474129), (139, 303579), (267, 158043), (379, 111339), (417, 101193), (801, 52681), (1137, 37113), (1251, 33731), (3411, 12371)]