406988211

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1\times {\mathrm{1321}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 657911808

約数和(自身を除く): 250923597

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 863, 1321, 2589, 3963, 6041, 9247, 14671, 18123, 22457, 27741, 44013, 67371, 102697, 157199, 308091, 471597, 1140023, 3420069, 7980161, 19380391, 23940483, 58141173, 135662737, 406988211]

約数ペア:

[(1, 406988211), (3, 135662737), (7, 58141173), (17, 23940483), (21, 19380391), (51, 7980161), (119, 3420069), (357, 1140023), (863, 471597), (1321, 308091), (2589, 157199), (3963, 102697), (6041, 67371), (9247, 44013), (14671, 27741), (18123, 22457)]