890397315

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{195907}}^1$

素因数の和:196019

約数の個数: 24

約数和(自身を含む): 1558644048

約数和(自身を除く): 668246733

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 195907, 587721, 979535, 1763163, 2938605, 8815815, 19786607, 59359821, 98933035, 178079463, 296799105, 890397315]

約数ペア:

[(1, 890397315), (3, 296799105), (5, 178079463), (9, 98933035), (15, 59359821), (45, 19786607), (101, 8815815), (303, 2938605), (505, 1763163), (909, 979535), (1515, 587721), (4545, 195907)]