27731697

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9929}}^1$

素因数の和:9965

約数の個数: 24

約数和(自身を含む): 45280800

約数和(自身を除く): 17549103

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 9929, 29787, 69503, 188651, 208509, 486521, 565953, 1320557, 1459563, 3961671, 9243899, 27731697]

約数ペア:

[(1, 27731697), (3, 9243899), (7, 3961671), (19, 1459563), (21, 1320557), (49, 565953), (57, 486521), (133, 208509), (147, 188651), (399, 69503), (931, 29787), (2793, 9929)]