641979

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 1075200

約数和(自身を除く): 433221

約数列:

[1, 3, 9, 13, 27, 31, 39, 59, 93, 117, 177, 279, 351, 403, 531, 767, 837, 1209, 1593, 1829, 2301, 3627, 5487, 6903, 10881, 16461, 20709, 23777, 49383, 71331, 213993, 641979]

約数ペア:

[(1, 641979), (3, 213993), (9, 71331), (13, 49383), (27, 23777), (31, 20709), (39, 16461), (59, 10881), (93, 6903), (117, 5487), (177, 3627), (279, 2301), (351, 1829), (403, 1593), (531, 1209), (767, 837)]