2199855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 4251744

約数和(自身を除く): 2051889

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 73, 105, 123, 147, 205, 219, 245, 287, 365, 511, 615, 735, 861, 1095, 1435, 1533, 2009, 2555, 2993, 3577, 4305, 6027, 7665, 8979, 10045, 10731, 14965, 17885, 20951, 30135, 44895, 53655, 62853, 104755, 146657, 314265, 439971, 733285, 2199855]

約数ペア:

[(1, 2199855), (3, 733285), (5, 439971), (7, 314265), (15, 146657), (21, 104755), (35, 62853), (41, 53655), (49, 44895), (73, 30135), (105, 20951), (123, 17885), (147, 14965), (205, 10731), (219, 10045), (245, 8979), (287, 7665), (365, 6027), (511, 4305), (615, 3577), (735, 2993), (861, 2555), (1095, 2009), (1435, 1533)]