80821275

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{6229}}^1$

素因数の和:6415

約数の個数: 24

約数和(自身を含む): 134418480

約数和(自身を除く): 53597205

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 6229, 12975, 18687, 31145, 93435, 155725, 467175, 1077617, 3232851, 5388085, 16164255, 26940425, 80821275]

約数ペア:

[(1, 80821275), (3, 26940425), (5, 16164255), (15, 5388085), (25, 3232851), (75, 1077617), (173, 467175), (519, 155725), (865, 93435), (2595, 31145), (4325, 18687), (6229, 12975)]