87540657

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 126443520

約数和(自身を除く): 38902863

約数列:

[1, 3, 19, 57, 71, 97, 213, 223, 291, 669, 1349, 1843, 4047, 4237, 5529, 6887, 12711, 15833, 20661, 21631, 47499, 64893, 130853, 300827, 392559, 410989, 902481, 1232967, 1535801, 4607403, 29180219, 87540657]

約数ペア:

[(1, 87540657), (3, 29180219), (19, 4607403), (57, 1535801), (71, 1232967), (97, 902481), (213, 410989), (223, 392559), (291, 300827), (669, 130853), (1349, 64893), (1843, 47499), (4047, 21631), (4237, 20661), (5529, 15833), (6887, 12711)]