211283073

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{84143}}^1$

素因数の和:84186

約数の個数: 20

約数和(自身を含む): 325805568

約数和(自身を除く): 114522495

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 84143, 252429, 757287, 2271861, 2608433, 6815583, 7825299, 23475897, 70427691, 211283073]

約数ペア:

[(1, 211283073), (3, 70427691), (9, 23475897), (27, 7825299), (31, 6815583), (81, 2608433), (93, 2271861), (279, 757287), (837, 252429), (2511, 84143)]