201721983

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{7477}}^1$

素因数の和:7543

約数の個数: 24

約数和(自身を含む): 297744048

約数和(自身を除く): 96022065

約数列:

[1, 3, 17, 23, 51, 69, 391, 529, 1173, 1587, 7477, 8993, 22431, 26979, 127109, 171971, 381327, 515913, 2923507, 3955333, 8770521, 11865999, 67240661, 201721983]

約数ペア:

[(1, 201721983), (3, 67240661), (17, 11865999), (23, 8770521), (51, 3955333), (69, 2923507), (391, 515913), (529, 381327), (1173, 171971), (1587, 127109), (7477, 26979), (8993, 22431)]