1970181

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 3070080

約数和(自身を除く): 1099899

約数列:

[1, 3, 9, 17, 51, 79, 153, 163, 237, 489, 711, 1343, 1467, 2771, 4029, 8313, 12087, 12877, 24939, 38631, 115893, 218909, 656727, 1970181]

約数ペア:

[(1, 1970181), (3, 656727), (9, 218909), (17, 115893), (51, 38631), (79, 24939), (153, 12877), (163, 12087), (237, 8313), (489, 4029), (711, 2771), (1343, 1467)]