1867131

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 3310560

約数和(自身を除く): 1443429

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 89, 111, 189, 259, 267, 333, 567, 623, 777, 801, 999, 1869, 2331, 2403, 2997, 3293, 5607, 6993, 7209, 9879, 16821, 20979, 23051, 29637, 50463, 69153, 88911, 207459, 266733, 622377, 1867131]

約数ペア:

[(1, 1867131), (3, 622377), (7, 266733), (9, 207459), (21, 88911), (27, 69153), (37, 50463), (63, 29637), (81, 23051), (89, 20979), (111, 16821), (189, 9879), (259, 7209), (267, 6993), (333, 5607), (567, 3293), (623, 2997), (777, 2403), (801, 2331), (999, 1869)]