66881691

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1723}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 102198720

約数和(自身を除く): 35317029

約数列:

[1, 3, 9, 19, 57, 171, 227, 681, 1723, 2043, 4313, 5169, 12939, 15507, 32737, 38817, 98211, 294633, 391121, 1173363, 3520089, 7431299, 22293897, 66881691]

約数ペア:

[(1, 66881691), (3, 22293897), (9, 7431299), (19, 3520089), (57, 1173363), (171, 391121), (227, 294633), (681, 98211), (1723, 38817), (2043, 32737), (4313, 15507), (5169, 12939)]