211232931

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 355435776

約数和(自身を除く): 144202845

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 169, 273, 371, 507, 689, 1113, 1123, 1183, 2067, 3369, 3549, 4823, 7861, 8957, 14469, 14599, 23583, 26871, 43797, 59519, 62699, 102193, 178557, 188097, 189787, 306579, 416633, 569361, 773747, 1249899, 1328509, 2321241, 3985527, 5416229, 10058711, 16248687, 30176133, 70410977, 211232931]

約数ペア:

[(1, 211232931), (3, 70410977), (7, 30176133), (13, 16248687), (21, 10058711), (39, 5416229), (53, 3985527), (91, 2321241), (159, 1328509), (169, 1249899), (273, 773747), (371, 569361), (507, 416633), (689, 306579), (1113, 189787), (1123, 188097), (1183, 178557), (2067, 102193), (3369, 62699), (3549, 59519), (4823, 43797), (7861, 26871), (8957, 23583), (14469, 14599)]