123145725

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{9491}}^1$

素因数の和:9677

約数の個数: 24

約数和(自身を含む): 204799392

約数和(自身を除く): 81653667

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 9491, 12975, 28473, 47455, 142365, 237275, 711825, 1641943, 4925829, 8209715, 24629145, 41048575, 123145725]

約数ペア:

[(1, 123145725), (3, 41048575), (5, 24629145), (15, 8209715), (25, 4925829), (75, 1641943), (173, 711825), (519, 237275), (865, 142365), (2595, 47455), (4325, 28473), (9491, 12975)]