641298021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{138181}}^1$

素因数の和:138221

約数の個数: 32

約数和(自身を含む): 1114299648

約数和(自身を除く): 473001627

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 138181, 414543, 967267, 1796353, 2349077, 2901801, 5389059, 7047231, 12574471, 16443539, 30538001, 37723413, 49330617, 91614003, 213766007, 641298021]

約数ペア:

[(1, 641298021), (3, 213766007), (7, 91614003), (13, 49330617), (17, 37723413), (21, 30538001), (39, 16443539), (51, 12574471), (91, 7047231), (119, 5389059), (221, 2901801), (273, 2349077), (357, 1796353), (663, 967267), (1547, 414543), (4641, 138181)]