388971645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{2053}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 660172032

約数和(自身を除く): 271200387

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 743, 2053, 2229, 3715, 6159, 10265, 11145, 12631, 30795, 34901, 37893, 63155, 104703, 174505, 189465, 523515, 1525379, 4576137, 7626895, 22880685, 25931443, 77794329, 129657215, 388971645]

約数ペア:

[(1, 388971645), (3, 129657215), (5, 77794329), (15, 25931443), (17, 22880685), (51, 7626895), (85, 4576137), (255, 1525379), (743, 523515), (2053, 189465), (2229, 174505), (3715, 104703), (6159, 63155), (10265, 37893), (11145, 34901), (12631, 30795)]