78451107

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31393}}^1$

素因数の和:31427

約数の個数: 24

約数和(自身を含む): 128840976

約数和(自身を除く): 50389869

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 31393, 94179, 219751, 533681, 659253, 1538257, 1601043, 3735767, 4614771, 11207301, 26150369, 78451107]

約数ペア:

[(1, 78451107), (3, 26150369), (7, 11207301), (17, 4614771), (21, 3735767), (49, 1601043), (51, 1538257), (119, 659253), (147, 533681), (357, 219751), (833, 94179), (2499, 31393)]