13000905

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 23836032

約数和(自身を除く): 10835127

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 683, 705, 1269, 2049, 2115, 3415, 3807, 6147, 6345, 10245, 18441, 19035, 30735, 32101, 55323, 92205, 96303, 160505, 276615, 288909, 481515, 866727, 1444545, 2600181, 4333635, 13000905]

約数ペア:

[(1, 13000905), (3, 4333635), (5, 2600181), (9, 1444545), (15, 866727), (27, 481515), (45, 288909), (47, 276615), (81, 160505), (135, 96303), (141, 92205), (235, 55323), (405, 32101), (423, 30735), (683, 19035), (705, 18441), (1269, 10245), (2049, 6345), (2115, 6147), (3415, 3807)]