90856815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 173801472

約数和(自身を除く): 82944657

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 103, 105, 155, 217, 271, 309, 465, 515, 651, 721, 813, 1085, 1355, 1545, 1897, 2163, 3193, 3255, 3605, 4065, 5691, 8401, 9485, 9579, 10815, 15965, 22351, 25203, 27913, 28455, 42005, 47895, 58807, 67053, 83739, 111755, 126015, 139565, 176421, 195391, 294035, 335265, 418695, 586173, 865303, 882105, 976955, 2595909, 2930865, 4326515, 6057121, 12979545, 18171363, 30285605, 90856815]

約数ペア:

[(1, 90856815), (3, 30285605), (5, 18171363), (7, 12979545), (15, 6057121), (21, 4326515), (31, 2930865), (35, 2595909), (93, 976955), (103, 882105), (105, 865303), (155, 586173), (217, 418695), (271, 335265), (309, 294035), (465, 195391), (515, 176421), (651, 139565), (721, 126015), (813, 111755), (1085, 83739), (1355, 67053), (1545, 58807), (1897, 47895), (2163, 42005), (3193, 28455), (3255, 27913), (3605, 25203), (4065, 22351), (5691, 15965), (8401, 10815), (9485, 9579)]