8713215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 17472000

約数和(自身を除く): 8758785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 199, 315, 417, 597, 695, 973, 995, 1251, 1393, 1791, 2085, 2919, 2985, 4179, 4865, 6255, 6965, 8757, 8955, 12537, 14595, 20895, 27661, 43785, 62685, 82983, 138305, 193627, 248949, 414915, 580881, 968135, 1244745, 1742643, 2904405, 8713215]

約数ペア:

[(1, 8713215), (3, 2904405), (5, 1742643), (7, 1244745), (9, 968135), (15, 580881), (21, 414915), (35, 248949), (45, 193627), (63, 138305), (105, 82983), (139, 62685), (199, 43785), (315, 27661), (417, 20895), (597, 14595), (695, 12537), (973, 8955), (995, 8757), (1251, 6965), (1393, 6255), (1791, 4865), (2085, 4179), (2919, 2985)]