18240159

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 29283840

約数和(自身を除く): 11043681

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 491, 609, 1281, 1473, 1769, 3437, 5307, 10311, 12383, 14239, 29951, 37149, 42717, 89853, 99673, 209657, 299019, 628971, 868579, 2605737, 6080053, 18240159]

約数ペア:

[(1, 18240159), (3, 6080053), (7, 2605737), (21, 868579), (29, 628971), (61, 299019), (87, 209657), (183, 99673), (203, 89853), (427, 42717), (491, 37149), (609, 29951), (1281, 14239), (1473, 12383), (1769, 10311), (3437, 5307)]