81966015

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58757}}^1$

素因数の和:58799

約数の個数: 24

約数和(自身を含む): 146659968

約数和(自身を除く): 64693953

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 58757, 176271, 293785, 528813, 881355, 1821467, 2644065, 5464401, 9107335, 16393203, 27322005, 81966015]

約数ペア:

[(1, 81966015), (3, 27322005), (5, 16393203), (9, 9107335), (15, 5464401), (31, 2644065), (45, 1821467), (93, 881355), (155, 528813), (279, 293785), (465, 176271), (1395, 58757)]