257029371

素因数分解:

$3^2\times {\mathrm{229}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 375017760

約数和(自身を除く): 117988389

約数列:

[1, 3, 9, 229, 311, 401, 687, 933, 1203, 2061, 2799, 3609, 71219, 91829, 124711, 213657, 275487, 374133, 640971, 826461, 1122399, 28558819, 85676457, 257029371]

約数ペア:

[(1, 257029371), (3, 85676457), (9, 28558819), (229, 1122399), (311, 826461), (401, 640971), (687, 374133), (933, 275487), (1203, 213657), (2061, 124711), (2799, 91829), (3609, 71219)]