26620209

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 21902031

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 231, 321, 359, 693, 749, 963, 1077, 1177, 2247, 2513, 3231, 3531, 3949, 6741, 7539, 8239, 10593, 11847, 22617, 24717, 27643, 35541, 38413, 74151, 82929, 115239, 248787, 268891, 345717, 422543, 806673, 1267629, 2420019, 2957801, 3802887, 8873403, 26620209]

約数ペア:

[(1, 26620209), (3, 8873403), (7, 3802887), (9, 2957801), (11, 2420019), (21, 1267629), (33, 806673), (63, 422543), (77, 345717), (99, 268891), (107, 248787), (231, 115239), (321, 82929), (359, 74151), (693, 38413), (749, 35541), (963, 27643), (1077, 24717), (1177, 22617), (2247, 11847), (2513, 10593), (3231, 8239), (3531, 7539), (3949, 6741)]