25196787

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 45946368

約数和(自身を除く): 20749581

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 309, 353, 693, 721, 927, 1059, 1133, 2163, 2471, 3177, 3399, 3883, 6489, 7413, 7931, 10197, 11649, 22239, 23793, 27181, 34947, 36359, 71379, 81543, 109077, 244629, 254513, 327231, 399949, 763539, 1199847, 2290617, 2799643, 3599541, 8398929, 25196787]

約数ペア:

[(1, 25196787), (3, 8398929), (7, 3599541), (9, 2799643), (11, 2290617), (21, 1199847), (33, 763539), (63, 399949), (77, 327231), (99, 254513), (103, 244629), (231, 109077), (309, 81543), (353, 71379), (693, 36359), (721, 34947), (927, 27181), (1059, 23793), (1133, 22239), (2163, 11649), (2471, 10197), (3177, 7931), (3399, 7413), (3883, 6489)]