64965747

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 111915776

約数和(自身を除く): 46950029

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 231, 259, 363, 407, 691, 777, 847, 1221, 2073, 2541, 2849, 4477, 4837, 7601, 8547, 13431, 14511, 22803, 25567, 31339, 53207, 76701, 83611, 94017, 159621, 178969, 250833, 281237, 536907, 585277, 843711, 1755831, 1968659, 3093607, 5905977, 9280821, 21655249, 64965747]

約数ペア:

[(1, 64965747), (3, 21655249), (7, 9280821), (11, 5905977), (21, 3093607), (33, 1968659), (37, 1755831), (77, 843711), (111, 585277), (121, 536907), (231, 281237), (259, 250833), (363, 178969), (407, 159621), (691, 94017), (777, 83611), (847, 76701), (1221, 53207), (2073, 31339), (2541, 25567), (2849, 22803), (4477, 14511), (4837, 13431), (7601, 8547)]