31890726

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 81561600

約数和(自身を除く): 49670874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 239, 353, 378, 478, 706, 717, 1059, 1434, 1673, 2118, 2151, 2471, 3177, 3346, 4302, 4942, 5019, 6354, 6453, 7413, 9531, 10038, 12906, 14826, 15057, 19062, 22239, 30114, 44478, 45171, 66717, 84367, 90342, 133434, 168734, 253101, 506202, 590569, 759303, 1181138, 1518606, 1771707, 2277909, 3543414, 4555818, 5315121, 10630242, 15945363, 31890726]

約数ペア:

[(1, 31890726), (2, 15945363), (3, 10630242), (6, 5315121), (7, 4555818), (9, 3543414), (14, 2277909), (18, 1771707), (21, 1518606), (27, 1181138), (42, 759303), (54, 590569), (63, 506202), (126, 253101), (189, 168734), (239, 133434), (353, 90342), (378, 84367), (478, 66717), (706, 45171), (717, 44478), (1059, 30114), (1434, 22239), (1673, 19062), (2118, 15057), (2151, 14826), (2471, 12906), (3177, 10038), (3346, 9531), (4302, 7413), (4942, 6453), (5019, 6354)]