64311639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 101842944

約数和(自身を除く): 37531305

約数列:

[1, 3, 7, 21, 31, 93, 217, 223, 443, 651, 669, 1329, 1561, 3101, 4683, 6913, 9303, 13733, 20739, 41199, 48391, 96131, 98789, 145173, 288393, 296367, 691523, 2074569, 3062459, 9187377, 21437213, 64311639]

約数ペア:

[(1, 64311639), (3, 21437213), (7, 9187377), (21, 3062459), (31, 2074569), (93, 691523), (217, 296367), (223, 288393), (443, 145173), (651, 98789), (669, 96131), (1329, 48391), (1561, 41199), (3101, 20739), (4683, 13733), (6913, 9303)]