81626775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 145017504

約数和(自身を除く): 63390729

約数列:

[1, 3, 5, 15, 17, 25, 51, 73, 75, 85, 219, 255, 365, 425, 877, 1095, 1241, 1275, 1825, 2631, 3723, 4385, 5475, 6205, 13155, 14909, 18615, 21925, 31025, 44727, 64021, 65775, 74545, 93075, 192063, 223635, 320105, 372725, 960315, 1088357, 1118175, 1600525, 3265071, 4801575, 5441785, 16325355, 27208925, 81626775]

約数ペア:

[(1, 81626775), (3, 27208925), (5, 16325355), (15, 5441785), (17, 4801575), (25, 3265071), (51, 1600525), (73, 1118175), (75, 1088357), (85, 960315), (219, 372725), (255, 320105), (365, 223635), (425, 192063), (877, 93075), (1095, 74545), (1241, 65775), (1275, 64021), (1825, 44727), (2631, 31025), (3723, 21925), (4385, 18615), (5475, 14909), (6205, 13155)]