31380669

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 16772931

約数列:

[1, 3, 9, 27, 43, 129, 151, 179, 387, 453, 537, 1161, 1359, 1611, 4077, 4833, 6493, 7697, 19479, 23091, 27029, 58437, 69273, 81087, 175311, 207819, 243261, 729783, 1162247, 3486741, 10460223, 31380669]

約数ペア:

[(1, 31380669), (3, 10460223), (9, 3486741), (27, 1162247), (43, 729783), (129, 243261), (151, 207819), (179, 175311), (387, 81087), (453, 69273), (537, 58437), (1161, 27029), (1359, 23091), (1611, 19479), (4077, 7697), (4833, 6493)]