390260997

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10273}}^1$

素因数の和:10359

約数の個数: 40

約数和(自身を含む): 676275776

約数和(自身を除く): 286014779

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 4221, 5427, 10273, 12663, 30819, 37989, 71911, 92457, 215733, 277371, 647199, 688291, 832113, 1941597, 2064873, 4818037, 5824791, 6194619, 14454111, 18583857, 43362333, 55751571, 130086999, 390260997]

約数ペア:

[(1, 390260997), (3, 130086999), (7, 55751571), (9, 43362333), (21, 18583857), (27, 14454111), (63, 6194619), (67, 5824791), (81, 4818037), (189, 2064873), (201, 1941597), (469, 832113), (567, 688291), (603, 647199), (1407, 277371), (1809, 215733), (4221, 92457), (5427, 71911), (10273, 37989), (12663, 30819)]