904001721

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{7741}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 1415113728

約数和(自身を除く): 511112007

約数列:

[1, 3, 7, 21, 67, 83, 201, 249, 469, 581, 1407, 1743, 5561, 7741, 16683, 23223, 38927, 54187, 116781, 162561, 518647, 642503, 1555941, 1927509, 3630529, 4497521, 10891587, 13492563, 43047701, 129143103, 301333907, 904001721]

約数ペア:

[(1, 904001721), (3, 301333907), (7, 129143103), (21, 43047701), (67, 13492563), (83, 10891587), (201, 4497521), (249, 3630529), (469, 1927509), (581, 1555941), (1407, 642503), (1743, 518647), (5561, 162561), (7741, 116781), (16683, 54187), (23223, 38927)]