3983217

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 6528000

約数和(自身を除く): 2544783

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 149, 201, 399, 447, 469, 1043, 1273, 1407, 2831, 3129, 3819, 8493, 8911, 9983, 19817, 26733, 29949, 59451, 69881, 189677, 209643, 569031, 1327739, 3983217]

約数ペア:

[(1, 3983217), (3, 1327739), (7, 569031), (19, 209643), (21, 189677), (57, 69881), (67, 59451), (133, 29949), (149, 26733), (201, 19817), (399, 9983), (447, 8911), (469, 8493), (1043, 3819), (1273, 3129), (1407, 2831)]