38874969

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 69089280

約数和(自身を除く): 30214311

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 691, 893, 987, 1197, 2073, 2679, 2961, 4837, 6219, 6251, 8037, 13129, 14511, 18753, 32477, 39387, 43533, 56259, 91903, 97431, 118161, 227339, 275709, 292293, 617063, 682017, 827127, 1851189, 2046051, 4319441, 5553567, 12958323, 38874969]

約数ペア:

[(1, 38874969), (3, 12958323), (7, 5553567), (9, 4319441), (19, 2046051), (21, 1851189), (47, 827127), (57, 682017), (63, 617063), (133, 292293), (141, 275709), (171, 227339), (329, 118161), (399, 97431), (423, 91903), (691, 56259), (893, 43533), (987, 39387), (1197, 32477), (2073, 18753), (2679, 14511), (2961, 13129), (4837, 8037), (6219, 6251)]