81858621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 125169408

約数和(自身を除く): 43310787

約数列:

[1, 3, 13, 17, 39, 51, 221, 311, 397, 663, 933, 1191, 4043, 5161, 5287, 6749, 12129, 15483, 15861, 20247, 68731, 87737, 123467, 206193, 263211, 370401, 1605071, 2098939, 4815213, 6296817, 27286207, 81858621]

約数ペア:

[(1, 81858621), (3, 27286207), (13, 6296817), (17, 4815213), (39, 2098939), (51, 1605071), (221, 370401), (311, 263211), (397, 206193), (663, 123467), (933, 87737), (1191, 68731), (4043, 20247), (5161, 15861), (5287, 15483), (6749, 12129)]