81123973

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 94867200

約数和(自身を除く): 13743227

約数列:

[1, 7, 53, 371, 449, 487, 3143, 3409, 23797, 25811, 166579, 180677, 218663, 1530641, 11589139, 81123973]

約数ペア:

[(1, 81123973), (7, 11589139), (53, 1530641), (371, 218663), (449, 180677), (487, 166579), (3143, 25811), (3409, 23797)]