642593721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{47149}}^1$

素因数の和:47229

約数の個数: 32

約数和(自身を含む): 1086336000

約数和(自身を除く): 443742279

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 4543, 13629, 47149, 141447, 330043, 518639, 990129, 1555917, 2781791, 3630473, 8345373, 10891419, 19472537, 30599701, 58417611, 91799103, 214197907, 642593721]

約数ペア:

[(1, 642593721), (3, 214197907), (7, 91799103), (11, 58417611), (21, 30599701), (33, 19472537), (59, 10891419), (77, 8345373), (177, 3630473), (231, 2781791), (413, 1555917), (649, 990129), (1239, 518639), (1947, 330043), (4543, 141447), (13629, 47149)]