81914955

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41687}}^1$

素因数の和:41826

約数の個数: 16

約数和(自身を含む): 132067584

約数和(自身を除く): 50152629

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 41687, 125061, 208435, 625305, 5460997, 16382991, 27304985, 81914955]

約数ペア:

[(1, 81914955), (3, 27304985), (5, 16382991), (15, 5460997), (131, 625305), (393, 208435), (655, 125061), (1965, 41687)]