27667647

素因数分解:

$3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{683}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 45811584

約数和(自身を除く): 18143937

約数列:

[1, 3, 7, 9, 21, 63, 643, 683, 1929, 2049, 4501, 4781, 5787, 6147, 13503, 14343, 40509, 43029, 439169, 1317507, 3074183, 3952521, 9222549, 27667647]

約数ペア:

[(1, 27667647), (3, 9222549), (7, 3952521), (9, 3074183), (21, 1317507), (63, 439169), (643, 43029), (683, 40509), (1929, 14343), (2049, 13503), (4501, 6147), (4781, 5787)]