51439419

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 75816000

約数和(自身を除く): 24376581

約数列:

[1, 3, 9, 89, 149, 267, 431, 447, 801, 1293, 1341, 3879, 13261, 38359, 39783, 64219, 115077, 119349, 192657, 345231, 577971, 5715491, 17146473, 51439419]

約数ペア:

[(1, 51439419), (3, 17146473), (9, 5715491), (89, 577971), (149, 345231), (267, 192657), (431, 119349), (447, 115077), (801, 64219), (1293, 39783), (1341, 38359), (3879, 13261)]