78139671

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 113000448

約数和(自身を除く): 34860777

約数列:

[1, 3, 23, 37, 69, 111, 127, 241, 381, 723, 851, 2553, 2921, 4699, 5543, 8763, 8917, 14097, 16629, 26751, 30607, 91821, 108077, 205091, 324231, 615273, 703961, 1132459, 2111883, 3397377, 26046557, 78139671]

約数ペア:

[(1, 78139671), (3, 26046557), (23, 3397377), (37, 2111883), (69, 1132459), (111, 703961), (127, 615273), (241, 324231), (381, 205091), (723, 108077), (851, 91821), (2553, 30607), (2921, 26751), (4699, 16629), (5543, 14097), (8763, 8917)]