289233021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{3547}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 482300928

約数和(自身を除く): 193067907

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 353, 1059, 2471, 3547, 3883, 7413, 10641, 11649, 24829, 27181, 39017, 74487, 81543, 117051, 273119, 819357, 1252091, 3756273, 8764637, 13773001, 26293911, 41319003, 96411007, 289233021]

約数ペア:

[(1, 289233021), (3, 96411007), (7, 41319003), (11, 26293911), (21, 13773001), (33, 8764637), (77, 3756273), (231, 1252091), (353, 819357), (1059, 273119), (2471, 117051), (3547, 81543), (3883, 74487), (7413, 39017), (10641, 27181), (11649, 24829)]