15564123

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 24468480

約数和(自身を除く): 8904357

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 353, 621, 639, 1059, 1633, 1917, 3177, 4899, 8119, 9531, 14697, 24357, 25063, 44091, 73071, 75189, 219213, 225567, 576449, 676701, 1729347, 5188041, 15564123]

約数ペア:

[(1, 15564123), (3, 5188041), (9, 1729347), (23, 676701), (27, 576449), (69, 225567), (71, 219213), (207, 75189), (213, 73071), (353, 44091), (621, 25063), (639, 24357), (1059, 14697), (1633, 9531), (1917, 8119), (3177, 4899)]