769236489

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 1355140800

約数和(自身を除く): 585904311

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 171, 227, 361, 399, 447, 681, 1043, 1083, 1197, 1341, 1589, 2043, 2527, 2831, 3129, 3249, 4313, 4767, 7581, 8493, 9387, 12939, 14301, 19817, 22743, 25479, 30191, 33823, 38817, 53789, 59451, 81947, 90573, 101469, 161367, 178353, 236761, 245841, 271719, 304407, 376523, 484101, 573629, 642637, 710283, 737523, 1129569, 1720887, 1927911, 2130849, 3388707, 4498459, 5162661, 5783733, 12210103, 13495377, 36630309, 40486131, 85470721, 109890927, 256412163, 769236489]

約数ペア:

[(1, 769236489), (3, 256412163), (7, 109890927), (9, 85470721), (19, 40486131), (21, 36630309), (57, 13495377), (63, 12210103), (133, 5783733), (149, 5162661), (171, 4498459), (227, 3388707), (361, 2130849), (399, 1927911), (447, 1720887), (681, 1129569), (1043, 737523), (1083, 710283), (1197, 642637), (1341, 573629), (1589, 484101), (2043, 376523), (2527, 304407), (2831, 271719), (3129, 245841), (3249, 236761), (4313, 178353), (4767, 161367), (7581, 101469), (8493, 90573), (9387, 81947), (12939, 59451), (14301, 53789), (19817, 38817), (22743, 33823), (25479, 30191)]