1311879891

素因数分解:

$3^1\times 7^2\times {\mathrm{2203}}^1\times {\mathrm{4051}}^1$

素因数の和:6271

約数の個数: 24

約数和(自身を含む): 2036178624

約数和(自身を除く): 724298733

約数列:

[1, 3, 7, 21, 49, 147, 2203, 4051, 6609, 12153, 15421, 28357, 46263, 85071, 107947, 198499, 323841, 595497, 8924353, 26773059, 62470471, 187411413, 437293297, 1311879891]

約数ペア:

[(1, 1311879891), (3, 437293297), (7, 187411413), (21, 62470471), (49, 26773059), (147, 8924353), (2203, 595497), (4051, 323841), (6609, 198499), (12153, 107947), (15421, 85071), (28357, 46263)]