39970821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{25771}}^1$

素因数の和:25832

約数の個数: 16

約数和(自身を含む): 59378688

約数和(自身を除く): 19407867

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 25771, 77313, 283481, 850443, 1211237, 3633711, 13323607, 39970821]

約数ペア:

[(1, 39970821), (3, 13323607), (11, 3633711), (33, 1211237), (47, 850443), (141, 283481), (517, 77313), (1551, 25771)]