3981397821

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 5541888000

約数和(自身を除く): 1560490179

約数列:

[1, 3, 43, 59, 129, 177, 409, 1227, 1279, 2537, 3837, 7611, 17587, 24131, 52761, 54997, 72393, 75461, 164991, 226383, 523111, 1037633, 1569333, 3112899, 3244823, 9734469, 22493773, 30863549, 67481319, 92590647, 1327132607, 3981397821]

約数ペア:

[(1, 3981397821), (3, 1327132607), (43, 92590647), (59, 67481319), (129, 30863549), (177, 22493773), (409, 9734469), (1227, 3244823), (1279, 3112899), (2537, 1569333), (3837, 1037633), (7611, 523111), (17587, 226383), (24131, 164991), (52761, 75461), (54997, 72393)]