23145993

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 16480503

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 243, 351, 431, 459, 663, 1053, 1293, 1377, 1989, 3159, 3879, 4131, 5603, 5967, 7327, 11637, 16809, 17901, 21981, 34911, 50427, 53703, 65943, 95251, 104733, 151281, 197829, 285753, 453843, 593487, 857259, 1361529, 1780461, 2571777, 7715331, 23145993]

約数ペア:

[(1, 23145993), (3, 7715331), (9, 2571777), (13, 1780461), (17, 1361529), (27, 857259), (39, 593487), (51, 453843), (81, 285753), (117, 197829), (153, 151281), (221, 104733), (243, 95251), (351, 65943), (431, 53703), (459, 50427), (663, 34911), (1053, 21981), (1293, 17901), (1377, 16809), (1989, 11637), (3159, 7327), (3879, 5967), (4131, 5603)]