68930505

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 142414272

約数和(自身を除く): 73483767

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 215, 245, 301, 315, 387, 441, 645, 727, 735, 903, 1505, 1935, 2107, 2181, 2205, 2709, 3635, 4515, 5089, 6321, 6543, 10535, 10905, 13545, 15267, 18963, 25445, 31261, 31605, 32715, 35623, 45801, 76335, 93783, 94815, 106869, 156305, 178115, 218827, 229005, 281349, 320607, 468915, 534345, 656481, 1094135, 1406745, 1531789, 1603035, 1969443, 3282405, 4595367, 7658945, 9847215, 13786101, 22976835, 68930505]

約数ペア:

[(1, 68930505), (3, 22976835), (5, 13786101), (7, 9847215), (9, 7658945), (15, 4595367), (21, 3282405), (35, 1969443), (43, 1603035), (45, 1531789), (49, 1406745), (63, 1094135), (105, 656481), (129, 534345), (147, 468915), (215, 320607), (245, 281349), (301, 229005), (315, 218827), (387, 178115), (441, 156305), (645, 106869), (727, 94815), (735, 93783), (903, 76335), (1505, 45801), (1935, 35623), (2107, 32715), (2181, 31605), (2205, 31261), (2709, 25445), (3635, 18963), (4515, 15267), (5089, 13545), (6321, 10905), (6543, 10535)]