7865475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 14284800

約数和(自身を除く): 6419325

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 199, 255, 425, 465, 527, 597, 775, 995, 1275, 1581, 2325, 2635, 2985, 3383, 4975, 6169, 7905, 10149, 13175, 14925, 16915, 18507, 30845, 39525, 50745, 84575, 92535, 104873, 154225, 253725, 314619, 462675, 524365, 1573095, 2621825, 7865475]

約数ペア:

[(1, 7865475), (3, 2621825), (5, 1573095), (15, 524365), (17, 462675), (25, 314619), (31, 253725), (51, 154225), (75, 104873), (85, 92535), (93, 84575), (155, 50745), (199, 39525), (255, 30845), (425, 18507), (465, 16915), (527, 14925), (597, 13175), (775, 10149), (995, 7905), (1275, 6169), (1581, 4975), (2325, 3383), (2635, 2985)]