18170229

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 32602176

約数和(自身を除く): 14431947

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 661, 833, 1309, 1617, 1983, 2499, 3927, 4627, 7271, 9163, 11237, 13881, 21813, 27489, 32389, 33711, 50897, 78659, 97167, 123607, 152691, 235977, 356279, 370821, 550613, 865249, 1068837, 1651839, 2595747, 6056743, 18170229]

約数ペア:

[(1, 18170229), (3, 6056743), (7, 2595747), (11, 1651839), (17, 1068837), (21, 865249), (33, 550613), (49, 370821), (51, 356279), (77, 235977), (119, 152691), (147, 123607), (187, 97167), (231, 78659), (357, 50897), (539, 33711), (561, 32389), (661, 27489), (833, 21813), (1309, 13881), (1617, 11237), (1983, 9163), (2499, 7271), (3927, 4627)]