642428619

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{2017}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 1015134720

約数和(自身を除く): 372706101

約数列:

[1, 3, 7, 21, 29, 87, 203, 523, 609, 1569, 2017, 3661, 6051, 10983, 14119, 15167, 42357, 45501, 58493, 106169, 175479, 318507, 409451, 1054891, 1228353, 3164673, 7384237, 22152711, 30591839, 91775517, 214142873, 642428619]

約数ペア:

[(1, 642428619), (3, 214142873), (7, 91775517), (21, 30591839), (29, 22152711), (87, 7384237), (203, 3164673), (523, 1228353), (609, 1054891), (1569, 409451), (2017, 318507), (3661, 175479), (6051, 106169), (10983, 58493), (14119, 45501), (15167, 42357)]