219740079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1223}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 335591424

約数和(自身を除く): 115851345

約数列:

[1, 3, 13, 17, 39, 51, 221, 271, 663, 813, 1223, 3523, 3669, 4607, 10569, 13821, 15899, 20791, 47697, 59891, 62373, 179673, 270283, 331433, 810849, 994299, 4308629, 5634361, 12925887, 16903083, 73246693, 219740079]

約数ペア:

[(1, 219740079), (3, 73246693), (13, 16903083), (17, 12925887), (39, 5634361), (51, 4308629), (221, 994299), (271, 810849), (663, 331433), (813, 270283), (1223, 179673), (3523, 62373), (3669, 59891), (4607, 47697), (10569, 20791), (13821, 15899)]