521001921

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{38791}}^1$

素因数の和:38853

約数の個数: 24

約数和(自身を含む): 784219072

約数和(自身を除く): 263217151

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 38791, 116373, 426701, 1280103, 1435267, 4305801, 4693711, 14081133, 15787937, 47363811, 173667307, 521001921]

約数ペア:

[(1, 521001921), (3, 173667307), (11, 47363811), (33, 15787937), (37, 14081133), (111, 4693711), (121, 4305801), (363, 1435267), (407, 1280103), (1221, 426701), (4477, 116373), (13431, 38791)]