725985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 1454544

約数和(自身を除く): 728559

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 73, 85, 117, 153, 195, 219, 221, 255, 365, 585, 657, 663, 765, 949, 1095, 1105, 1241, 1989, 2847, 3285, 3315, 3723, 4745, 6205, 8541, 9945, 11169, 14235, 16133, 18615, 42705, 48399, 55845, 80665, 145197, 241995, 725985]

約数ペア:

[(1, 725985), (3, 241995), (5, 145197), (9, 80665), (13, 55845), (15, 48399), (17, 42705), (39, 18615), (45, 16133), (51, 14235), (65, 11169), (73, 9945), (85, 8541), (117, 6205), (153, 4745), (195, 3723), (219, 3315), (221, 3285), (255, 2847), (365, 1989), (585, 1241), (657, 1105), (663, 1095), (765, 949)]