668889381

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1493}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 959219712

約数和(自身を除く): 290330331

約数列:

[1, 3, 23, 43, 69, 129, 151, 453, 989, 1493, 2967, 3473, 4479, 6493, 10419, 19479, 34339, 64199, 103017, 149339, 192597, 225443, 448017, 676329, 1476577, 4429731, 5185189, 9694049, 15555567, 29082147, 222963127, 668889381]

約数ペア:

[(1, 668889381), (3, 222963127), (23, 29082147), (43, 15555567), (69, 9694049), (129, 5185189), (151, 4429731), (453, 1476577), (989, 676329), (1493, 448017), (2967, 225443), (3473, 192597), (4479, 149339), (6493, 103017), (10419, 64199), (19479, 34339)]