81547245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139397}}^1$

素因数の和:139421

約数の個数: 24

約数和(自身を含む): 152222616

約数和(自身を除く): 70675371

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 139397, 418191, 696985, 1254573, 1812161, 2090955, 5436483, 6272865, 9060805, 16309449, 27182415, 81547245]

約数ペア:

[(1, 81547245), (3, 27182415), (5, 16309449), (9, 9060805), (13, 6272865), (15, 5436483), (39, 2090955), (45, 1812161), (65, 1254573), (117, 696985), (195, 418191), (585, 139397)]