81617355

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{10247}}^1$

素因数の和:10320

約数の個数: 32

約数和(自身を含む): 147571200

約数和(自身を除く): 65953845

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 7965, 10247, 30741, 51235, 92223, 153705, 276669, 461115, 604573, 1383345, 1813719, 3022865, 5441157, 9068595, 16323471, 27205785, 81617355]

約数ペア:

[(1, 81617355), (3, 27205785), (5, 16323471), (9, 9068595), (15, 5441157), (27, 3022865), (45, 1813719), (59, 1383345), (135, 604573), (177, 461115), (295, 276669), (531, 153705), (885, 92223), (1593, 51235), (2655, 30741), (7965, 10247)]