128228265

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 254041920

約数和(自身を除く): 125813655

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 107, 135, 165, 269, 297, 321, 405, 495, 535, 807, 891, 963, 1177, 1345, 1485, 1605, 2421, 2889, 2959, 3531, 4035, 4455, 4815, 5885, 7263, 8667, 8877, 10593, 12105, 14445, 14795, 17655, 21789, 26631, 28783, 31779, 36315, 43335, 44385, 52965, 79893, 86349, 95337, 108945, 133155, 143915, 158895, 239679, 259047, 316613, 399465, 431745, 476685, 777141, 949839, 1198395, 1295235, 1583065, 2331423, 2849517, 3885705, 4749195, 8548551, 11657115, 14247585, 25645653, 42742755, 128228265]

約数ペア:

[(1, 128228265), (3, 42742755), (5, 25645653), (9, 14247585), (11, 11657115), (15, 8548551), (27, 4749195), (33, 3885705), (45, 2849517), (55, 2331423), (81, 1583065), (99, 1295235), (107, 1198395), (135, 949839), (165, 777141), (269, 476685), (297, 431745), (321, 399465), (405, 316613), (495, 259047), (535, 239679), (807, 158895), (891, 143915), (963, 133155), (1177, 108945), (1345, 95337), (1485, 86349), (1605, 79893), (2421, 52965), (2889, 44385), (2959, 43335), (3531, 36315), (4035, 31779), (4455, 28783), (4815, 26631), (5885, 21789), (7263, 17655), (8667, 14795), (8877, 14445), (10593, 12105)]