243372075

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{18757}}^1$

素因数の和:18943

約数の個数: 24

約数和(自身を含む): 404722608

約数和(自身を除く): 161350533

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 12975, 18757, 56271, 93785, 281355, 468925, 1406775, 3244961, 9734883, 16224805, 48674415, 81124025, 243372075]

約数ペア:

[(1, 243372075), (3, 81124025), (5, 48674415), (15, 16224805), (25, 9734883), (75, 3244961), (173, 1406775), (519, 468925), (865, 281355), (2595, 93785), (4325, 56271), (12975, 18757)]