72078147

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{421}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 113636160

約数和(自身を除く): 41558013

約数列:

[1, 3, 9, 17, 27, 51, 153, 373, 421, 459, 1119, 1263, 3357, 3789, 6341, 7157, 10071, 11367, 19023, 21471, 57069, 64413, 157033, 171207, 193239, 471099, 1413297, 2669561, 4239891, 8008683, 24026049, 72078147]

約数ペア:

[(1, 72078147), (3, 24026049), (9, 8008683), (17, 4239891), (27, 2669561), (51, 1413297), (153, 471099), (373, 193239), (421, 171207), (459, 157033), (1119, 64413), (1263, 57069), (3357, 21471), (3789, 19023), (6341, 11367), (7157, 10071)]