8159949

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 15050880

約数和(自身を除く): 6890931

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 401, 969, 1071, 1197, 1203, 2261, 2807, 2907, 3609, 6783, 6817, 7619, 8421, 20349, 20451, 22857, 25263, 47719, 53333, 61353, 68571, 129523, 143157, 159999, 388569, 429471, 479997, 906661, 1165707, 2719983, 8159949]

約数ペア:

[(1, 8159949), (3, 2719983), (7, 1165707), (9, 906661), (17, 479997), (19, 429471), (21, 388569), (51, 159999), (57, 143157), (63, 129523), (119, 68571), (133, 61353), (153, 53333), (171, 47719), (323, 25263), (357, 22857), (399, 20451), (401, 20349), (969, 8421), (1071, 7619), (1197, 6817), (1203, 6783), (2261, 3609), (2807, 2907)]