66081771

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 120130560

約数和(自身を除く): 54048789

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 131, 153, 157, 189, 357, 393, 459, 471, 917, 1071, 1099, 1179, 1413, 2227, 2669, 2751, 3213, 3297, 3537, 4239, 6681, 8007, 8253, 9891, 15589, 18683, 20043, 20567, 24021, 24759, 29673, 46767, 56049, 60129, 61701, 72063, 140301, 143969, 168147, 185103, 349639, 420903, 431907, 504441, 555309, 1048917, 1295721, 2447473, 3146751, 3887163, 7342419, 9440253, 22027257, 66081771]

約数ペア:

[(1, 66081771), (3, 22027257), (7, 9440253), (9, 7342419), (17, 3887163), (21, 3146751), (27, 2447473), (51, 1295721), (63, 1048917), (119, 555309), (131, 504441), (153, 431907), (157, 420903), (189, 349639), (357, 185103), (393, 168147), (459, 143969), (471, 140301), (917, 72063), (1071, 61701), (1099, 60129), (1179, 56049), (1413, 46767), (2227, 29673), (2669, 24759), (2751, 24021), (3213, 20567), (3297, 20043), (3537, 18683), (4239, 15589), (6681, 9891), (8007, 8253)]