260043

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 424080

約数和(自身を除く): 164037

約数列:

[1, 3, 7, 21, 29, 49, 61, 87, 147, 183, 203, 427, 609, 1281, 1421, 1769, 2989, 4263, 5307, 8967, 12383, 37149, 86681, 260043]

約数ペア:

[(1, 260043), (3, 86681), (7, 37149), (21, 12383), (29, 8967), (49, 5307), (61, 4263), (87, 2989), (147, 1769), (183, 1421), (203, 1281), (427, 609)]