1389223

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 1768320

約数和(自身を除く): 379097

約数列:

[1, 11, 17, 19, 23, 187, 209, 253, 289, 323, 391, 437, 3179, 3553, 4301, 4807, 5491, 6647, 7429, 60401, 73117, 81719, 126293, 1389223]

約数ペア:

[(1, 1389223), (11, 126293), (17, 81719), (19, 73117), (23, 60401), (187, 7429), (209, 6647), (253, 5491), (289, 4807), (323, 4301), (391, 3553), (437, 3179)]