245826819

素因数分解:

$3^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:811

約数の個数: 56

約数和(自身を含む): 428106240

約数和(自身を除く): 182279421

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 243, 469, 567, 603, 719, 729, 1407, 1701, 1809, 2157, 4221, 5033, 5103, 5427, 6471, 12663, 15099, 16281, 19413, 37989, 45297, 48173, 48843, 58239, 113967, 135891, 144519, 174717, 337211, 341901, 407673, 433557, 524151, 1011633, 1223019, 1300671, 3034899, 3669057, 3902013, 9104697, 11706039, 27314091, 35118117, 81942273, 245826819]

約数ペア:

[(1, 245826819), (3, 81942273), (7, 35118117), (9, 27314091), (21, 11706039), (27, 9104697), (63, 3902013), (67, 3669057), (81, 3034899), (189, 1300671), (201, 1223019), (243, 1011633), (469, 524151), (567, 433557), (603, 407673), (719, 341901), (729, 337211), (1407, 174717), (1701, 144519), (1809, 135891), (2157, 113967), (4221, 58239), (5033, 48843), (5103, 48173), (5427, 45297), (6471, 37989), (12663, 19413), (15099, 16281)]