68371905

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 129830400

約数和(自身を除く): 61458495

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 137, 147, 245, 291, 343, 411, 485, 679, 685, 735, 959, 1029, 1455, 1715, 2037, 2055, 2877, 3395, 4753, 4795, 5145, 6713, 10185, 13289, 14259, 14385, 20139, 23765, 33271, 33565, 39867, 46991, 66445, 71295, 93023, 99813, 100695, 140973, 166355, 199335, 234955, 279069, 465115, 499065, 651161, 704865, 1395345, 1953483, 3255805, 4558127, 9767415, 13674381, 22790635, 68371905]

約数ペア:

[(1, 68371905), (3, 22790635), (5, 13674381), (7, 9767415), (15, 4558127), (21, 3255805), (35, 1953483), (49, 1395345), (97, 704865), (105, 651161), (137, 499065), (147, 465115), (245, 279069), (291, 234955), (343, 199335), (411, 166355), (485, 140973), (679, 100695), (685, 99813), (735, 93023), (959, 71295), (1029, 66445), (1455, 46991), (1715, 39867), (2037, 33565), (2055, 33271), (2877, 23765), (3395, 20139), (4753, 14385), (4795, 14259), (5145, 13289), (6713, 10185)]