189101997

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 319258368

約数和(自身を除く): 130156371

約数列:

[1, 3, 7, 9, 21, 63, 101, 113, 263, 303, 339, 707, 789, 791, 909, 1017, 1841, 2121, 2367, 2373, 5523, 6363, 7119, 11413, 16569, 26563, 29719, 34239, 79689, 79891, 89157, 102717, 185941, 208033, 239067, 239673, 267471, 557823, 624099, 719019, 1673469, 1872297, 3001619, 9004857, 21011333, 27014571, 63033999, 189101997]

約数ペア:

[(1, 189101997), (3, 63033999), (7, 27014571), (9, 21011333), (21, 9004857), (63, 3001619), (101, 1872297), (113, 1673469), (263, 719019), (303, 624099), (339, 557823), (707, 267471), (789, 239673), (791, 239067), (909, 208033), (1017, 185941), (1841, 102717), (2121, 89157), (2367, 79891), (2373, 79689), (5523, 34239), (6363, 29719), (7119, 26563), (11413, 16569)]