71330025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 128116800

約数和(自身を除く): 56786775

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 149, 195, 325, 447, 491, 745, 975, 1473, 1937, 2235, 2455, 3725, 5811, 6383, 7365, 9685, 11175, 12275, 19149, 29055, 31915, 36825, 48425, 73159, 95745, 145275, 159575, 219477, 365795, 478725, 951067, 1097385, 1828975, 2853201, 4755335, 5486925, 14266005, 23776675, 71330025]

約数ペア:

[(1, 71330025), (3, 23776675), (5, 14266005), (13, 5486925), (15, 4755335), (25, 2853201), (39, 1828975), (65, 1097385), (75, 951067), (149, 478725), (195, 365795), (325, 219477), (447, 159575), (491, 145275), (745, 95745), (975, 73159), (1473, 48425), (1937, 36825), (2235, 31915), (2455, 29055), (3725, 19149), (5811, 12275), (6383, 11175), (7365, 9685)]