9920757

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 16763904

約数和(自身を除く): 6843147

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 641, 737, 1407, 1923, 2211, 4487, 5159, 7051, 13461, 15477, 21153, 42947, 49357, 128841, 148071, 300629, 472417, 901887, 1417251, 3306919, 9920757]

約数ペア:

[(1, 9920757), (3, 3306919), (7, 1417251), (11, 901887), (21, 472417), (33, 300629), (67, 148071), (77, 128841), (201, 49357), (231, 42947), (469, 21153), (641, 15477), (737, 13461), (1407, 7051), (1923, 5159), (2211, 4487)]