251160921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{68567}}^1$

素因数の和:68621

約数の個数: 24

約数和(自身を含む): 406471104

約数和(自身を除く): 155310183

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 68567, 205701, 617103, 754237, 2262711, 2536979, 6788133, 7610937, 22832811, 27906769, 83720307, 251160921]

約数ペア:

[(1, 251160921), (3, 83720307), (9, 27906769), (11, 22832811), (33, 7610937), (37, 6788133), (99, 2536979), (111, 2262711), (333, 754237), (407, 617103), (1221, 205701), (3663, 68567)]