31289401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 39747456

約数和(自身を除く): 8458055

約数列:

[1, 11, 13, 17, 61, 143, 187, 211, 221, 671, 793, 1037, 2321, 2431, 2743, 3587, 8723, 11407, 12871, 13481, 30173, 39457, 46631, 141581, 148291, 167323, 218807, 512941, 1840553, 2406877, 2844491, 31289401]

約数ペア:

[(1, 31289401), (11, 2844491), (13, 2406877), (17, 1840553), (61, 512941), (143, 218807), (187, 167323), (211, 148291), (221, 141581), (671, 46631), (793, 39457), (1037, 30173), (2321, 13481), (2431, 12871), (2743, 11407), (3587, 8723)]