81805185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23609}}^1$

素因数の和:23638

約数の個数: 48

約数和(自身を含む): 176791680

約数和(自身を除く): 94986495

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 23609, 70827, 118045, 165263, 212481, 259699, 354135, 495789, 779097, 826315, 1062405, 1298495, 1487367, 1817893, 2337291, 2478945, 3895485, 5453679, 7436835, 9089465, 11686455, 16361037, 27268395, 81805185]

約数ペア:

[(1, 81805185), (3, 27268395), (5, 16361037), (7, 11686455), (9, 9089465), (11, 7436835), (15, 5453679), (21, 3895485), (33, 2478945), (35, 2337291), (45, 1817893), (55, 1487367), (63, 1298495), (77, 1062405), (99, 826315), (105, 779097), (165, 495789), (231, 354135), (315, 259699), (385, 212481), (495, 165263), (693, 118045), (1155, 70827), (3465, 23609)]