81417315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25013}}^1$

素因数の和:25059

約数の個数: 32

約数和(自身を含む): 153686016

約数和(自身を除く): 72268701

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 25013, 75039, 125065, 175091, 375195, 525273, 775403, 875455, 2326209, 2626365, 3877015, 5427821, 11631045, 16283463, 27139105, 81417315]

約数ペア:

[(1, 81417315), (3, 27139105), (5, 16283463), (7, 11631045), (15, 5427821), (21, 3877015), (31, 2626365), (35, 2326209), (93, 875455), (105, 775403), (155, 525273), (217, 375195), (465, 175091), (651, 125065), (1085, 75039), (3255, 25013)]