64638639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1583}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 100900800

約数和(自身を除く): 36262161

約数列:

[1, 3, 9, 13, 39, 117, 349, 1047, 1583, 3141, 4537, 4749, 13611, 14247, 20579, 40833, 61737, 185211, 552467, 1657401, 4972203, 7182071, 21546213, 64638639]

約数ペア:

[(1, 64638639), (3, 21546213), (9, 7182071), (13, 4972203), (39, 1657401), (117, 552467), (349, 185211), (1047, 61737), (1583, 40833), (3141, 20579), (4537, 14247), (4749, 13611)]