388707975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{673}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 743157792

約数和(自身を除く): 354449817

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 151, 153, 225, 255, 425, 453, 673, 755, 765, 1275, 1359, 2019, 2265, 2567, 3365, 3775, 3825, 6057, 6795, 7701, 10095, 11325, 11441, 12835, 16825, 23103, 30285, 33975, 34323, 38505, 50475, 57205, 64175, 101623, 102969, 115515, 151425, 171615, 192525, 286025, 304869, 508115, 514845, 577575, 858075, 914607, 1524345, 1727591, 2540575, 2574225, 4573035, 5182773, 7621725, 8637955, 15548319, 22865175, 25913865, 43189775, 77741595, 129569325, 388707975]

約数ペア:

[(1, 388707975), (3, 129569325), (5, 77741595), (9, 43189775), (15, 25913865), (17, 22865175), (25, 15548319), (45, 8637955), (51, 7621725), (75, 5182773), (85, 4573035), (151, 2574225), (153, 2540575), (225, 1727591), (255, 1524345), (425, 914607), (453, 858075), (673, 577575), (755, 514845), (765, 508115), (1275, 304869), (1359, 286025), (2019, 192525), (2265, 171615), (2567, 151425), (3365, 115515), (3775, 102969), (3825, 101623), (6057, 64175), (6795, 57205), (7701, 50475), (10095, 38505), (11325, 34323), (11441, 33975), (12835, 30285), (16825, 23103)]