65672271

素因数分解:

$3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2281}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 108696224

約数和(自身を除く): 43023953

約数列:

[1, 3, 7, 9, 21, 63, 457, 1371, 2281, 3199, 4113, 6843, 9597, 15967, 20529, 28791, 47901, 143703, 1042417, 3127251, 7296919, 9381753, 21890757, 65672271]

約数ペア:

[(1, 65672271), (3, 21890757), (7, 9381753), (9, 7296919), (21, 3127251), (63, 1042417), (457, 143703), (1371, 47901), (2281, 28791), (3199, 20529), (4113, 15967), (6843, 9597)]