17970729

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{7573}}^1$

素因数の和:7696

約数の個数: 16

約数和(自身を含む): 27629952

約数和(自身を除く): 9659223

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 7573, 22719, 53011, 159033, 855749, 2567247, 5990243, 17970729]

約数ペア:

[(1, 17970729), (3, 5990243), (7, 2567247), (21, 855749), (113, 159033), (339, 53011), (791, 22719), (2373, 7573)]