81494829

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 132111672

約数和(自身を除く): 50616843

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 193, 351, 401, 579, 1053, 1203, 1737, 2509, 3609, 5211, 5213, 7527, 10827, 15633, 15639, 22581, 32481, 46917, 67743, 77393, 140751, 203229, 232179, 422253, 696537, 1006109, 2089611, 3018327, 6268833, 9054981, 27164943, 81494829]

約数ペア:

[(1, 81494829), (3, 27164943), (9, 9054981), (13, 6268833), (27, 3018327), (39, 2089611), (81, 1006109), (117, 696537), (193, 422253), (351, 232179), (401, 203229), (579, 140751), (1053, 77393), (1203, 67743), (1737, 46917), (2509, 32481), (3609, 22581), (5211, 15639), (5213, 15633), (7527, 10827)]