66715893

素因数分解:

$3^6\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 42

約数和(自身を含む): 105170646

約数和(自身を除く): 38454753

約数列:

[1, 3, 9, 23, 27, 69, 81, 173, 207, 243, 519, 529, 621, 729, 1557, 1587, 1863, 3979, 4671, 4761, 5589, 11937, 14013, 14283, 16767, 35811, 42039, 42849, 91517, 107433, 126117, 128547, 274551, 322299, 385641, 823653, 966897, 2470959, 2900691, 7412877, 22238631, 66715893]

約数ペア:

[(1, 66715893), (3, 22238631), (9, 7412877), (23, 2900691), (27, 2470959), (69, 966897), (81, 823653), (173, 385641), (207, 322299), (243, 274551), (519, 128547), (529, 126117), (621, 107433), (729, 91517), (1557, 42849), (1587, 42039), (1863, 35811), (3979, 16767), (4671, 14283), (4761, 14013), (5589, 11937)]