28723383

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 49728000

約数和(自身を除く): 21004617

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 59, 73, 117, 171, 177, 219, 247, 351, 513, 531, 657, 741, 767, 949, 1121, 1387, 1593, 1971, 2223, 2301, 2847, 3363, 4161, 4307, 6669, 6903, 8541, 10089, 12483, 12921, 14573, 18031, 20709, 25623, 30267, 37449, 38763, 43719, 54093, 55991, 81833, 116289, 131157, 162279, 167973, 245499, 393471, 486837, 503919, 736497, 1063829, 1511757, 2209491, 3191487, 9574461, 28723383]

約数ペア:

[(1, 28723383), (3, 9574461), (9, 3191487), (13, 2209491), (19, 1511757), (27, 1063829), (39, 736497), (57, 503919), (59, 486837), (73, 393471), (117, 245499), (171, 167973), (177, 162279), (219, 131157), (247, 116289), (351, 81833), (513, 55991), (531, 54093), (657, 43719), (741, 38763), (767, 37449), (949, 30267), (1121, 25623), (1387, 20709), (1593, 18031), (1971, 14573), (2223, 12921), (2301, 12483), (2847, 10089), (3363, 8541), (4161, 6903), (4307, 6669)]