27640089

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 16043751

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 947, 1081, 1269, 2841, 3243, 8523, 9729, 21781, 25569, 29187, 44509, 65343, 133527, 196029, 400581, 588087, 1023707, 1201743, 3071121, 9213363, 27640089]

約数ペア:

[(1, 27640089), (3, 9213363), (9, 3071121), (23, 1201743), (27, 1023707), (47, 588087), (69, 400581), (141, 196029), (207, 133527), (423, 65343), (621, 44509), (947, 29187), (1081, 25569), (1269, 21781), (2841, 9729), (3243, 8523)]