137910409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 180956160

約数和(自身を除く): 43045751

約数列:

[1, 7, 13, 17, 91, 119, 221, 239, 373, 1547, 1673, 2611, 3107, 4063, 4849, 6341, 21749, 28441, 33943, 44387, 52819, 82433, 89147, 369733, 577031, 624029, 1158911, 1515499, 8112377, 10608493, 19701487, 137910409]

約数ペア:

[(1, 137910409), (7, 19701487), (13, 10608493), (17, 8112377), (91, 1515499), (119, 1158911), (221, 624029), (239, 577031), (373, 369733), (1547, 89147), (1673, 82433), (2611, 52819), (3107, 44387), (4063, 33943), (4849, 28441), (6341, 21749)]