251552223

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4049}}^1$

素因数の和:4133

約数の個数: 40

約数和(自身を含む): 411642000

約数和(自身を除く): 160089777

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 351, 531, 767, 1053, 1593, 2301, 4049, 4779, 6903, 12147, 20709, 36441, 52637, 62127, 109323, 157911, 238891, 327969, 473733, 716673, 1421199, 2150019, 3105583, 4263597, 6450057, 9316749, 19350171, 27950247, 83850741, 251552223]

約数ペア:

[(1, 251552223), (3, 83850741), (9, 27950247), (13, 19350171), (27, 9316749), (39, 6450057), (59, 4263597), (81, 3105583), (117, 2150019), (177, 1421199), (351, 716673), (531, 473733), (767, 327969), (1053, 238891), (1593, 157911), (2301, 109323), (4049, 62127), (4779, 52637), (6903, 36441), (12147, 20709)]