290207895

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{1093}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 480589824

約数和(自身を除く): 190381929

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 571, 1093, 1713, 2855, 3279, 5465, 8565, 16395, 17701, 33883, 53103, 88505, 101649, 169415, 265515, 508245, 624103, 1872309, 3120515, 9361545, 19347193, 58041579, 96735965, 290207895]

約数ペア:

[(1, 290207895), (3, 96735965), (5, 58041579), (15, 19347193), (31, 9361545), (93, 3120515), (155, 1872309), (465, 624103), (571, 508245), (1093, 265515), (1713, 169415), (2855, 101649), (3279, 88505), (5465, 53103), (8565, 33883), (16395, 17701)]