23321331

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 18150669

約数列:

[1, 3, 9, 11, 17, 27, 31, 33, 51, 93, 99, 149, 153, 187, 279, 297, 341, 447, 459, 527, 561, 837, 1023, 1341, 1581, 1639, 1683, 2533, 3069, 4023, 4619, 4743, 4917, 5049, 5797, 7599, 9207, 13857, 14229, 14751, 17391, 22797, 27863, 41571, 44253, 50809, 52173, 68391, 78523, 83589, 124713, 152427, 156519, 235569, 250767, 457281, 706707, 752301, 863753, 1371843, 2120121, 2591259, 7773777, 23321331]

約数ペア:

[(1, 23321331), (3, 7773777), (9, 2591259), (11, 2120121), (17, 1371843), (27, 863753), (31, 752301), (33, 706707), (51, 457281), (93, 250767), (99, 235569), (149, 156519), (153, 152427), (187, 124713), (279, 83589), (297, 78523), (341, 68391), (447, 52173), (459, 50809), (527, 44253), (561, 41571), (837, 27863), (1023, 22797), (1341, 17391), (1581, 14751), (1639, 14229), (1683, 13857), (2533, 9207), (3069, 7599), (4023, 5797), (4619, 5049), (4743, 4917)]