399640755

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{5821}}^1$

素因数の和:6051

約数の個数: 32

約数和(自身を含む): 670694400

約数和(自身を除く): 271053645

約数列:

[1, 3, 5, 15, 23, 69, 115, 199, 345, 597, 995, 2985, 4577, 5821, 13731, 17463, 22885, 29105, 68655, 87315, 133883, 401649, 669415, 1158379, 2008245, 3475137, 5791895, 17375685, 26642717, 79928151, 133213585, 399640755]

約数ペア:

[(1, 399640755), (3, 133213585), (5, 79928151), (15, 26642717), (23, 17375685), (69, 5791895), (115, 3475137), (199, 2008245), (345, 1158379), (597, 669415), (995, 401649), (2985, 133883), (4577, 87315), (5821, 68655), (13731, 29105), (17463, 22885)]