31287429

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:586

約数の個数: 36

約数和(自身を含む): 50190816

約数和(自身を除く): 18903387

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 289, 391, 523, 867, 1173, 1569, 2601, 3519, 4707, 6647, 8891, 12029, 19941, 26673, 36087, 59823, 80019, 108261, 151147, 204493, 453441, 613479, 1360323, 1840437, 3476381, 10429143, 31287429]

約数ペア:

[(1, 31287429), (3, 10429143), (9, 3476381), (17, 1840437), (23, 1360323), (51, 613479), (69, 453441), (153, 204493), (207, 151147), (289, 108261), (391, 80019), (523, 59823), (867, 36087), (1173, 26673), (1569, 19941), (2601, 12029), (3519, 8891), (4707, 6647)]