25871913

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 39600000

約数和(自身を除く): 13728087

約数列:

[1, 3, 9, 27, 59, 109, 149, 177, 327, 447, 531, 981, 1341, 1593, 2943, 4023, 6431, 8791, 16241, 19293, 26373, 48723, 57879, 79119, 146169, 173637, 237357, 438507, 958219, 2874657, 8623971, 25871913]

約数ペア:

[(1, 25871913), (3, 8623971), (9, 2874657), (27, 958219), (59, 438507), (109, 237357), (149, 173637), (177, 146169), (327, 79119), (447, 57879), (531, 48723), (981, 26373), (1341, 19293), (1593, 16241), (2943, 8791), (4023, 6431)]