31504109

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 41957244

約数和(自身を除く): 10453135

約数列:

[1, 7, 13, 19, 49, 91, 133, 137, 247, 361, 637, 931, 959, 1729, 1781, 2527, 2603, 4693, 6713, 12103, 12467, 17689, 18221, 32851, 33839, 49457, 87269, 127547, 229957, 236873, 346199, 642941, 1658111, 2423393, 4500587, 31504109]

約数ペア:

[(1, 31504109), (7, 4500587), (13, 2423393), (19, 1658111), (49, 642941), (91, 346199), (133, 236873), (137, 229957), (247, 127547), (361, 87269), (637, 49457), (931, 33839), (959, 32851), (1729, 18221), (1781, 17689), (2527, 12467), (2603, 12103), (4693, 6713)]