64844985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 107476992

約数和(自身を除く): 42632007

約数列:

[1, 3, 5, 15, 41, 97, 123, 205, 291, 485, 615, 1087, 1455, 3261, 3977, 5435, 11931, 16305, 19885, 44567, 59655, 105439, 133701, 222835, 316317, 527195, 668505, 1581585, 4322999, 12968997, 21614995, 64844985]

約数ペア:

[(1, 64844985), (3, 21614995), (5, 12968997), (15, 4322999), (41, 1581585), (97, 668505), (123, 527195), (205, 316317), (291, 222835), (485, 133701), (615, 105439), (1087, 59655), (1455, 44567), (3261, 19885), (3977, 16305), (5435, 11931)]