138019623

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{3019}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 214830720

約数和(自身を除く): 76811097

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 2177, 3019, 6531, 9057, 15239, 21133, 45717, 63399, 147931, 443793, 938909, 2816727, 6572363, 19717089, 46006541, 138019623]

約数ペア:

[(1, 138019623), (3, 46006541), (7, 19717089), (21, 6572363), (49, 2816727), (147, 938909), (311, 443793), (933, 147931), (2177, 63399), (3019, 45717), (6531, 21133), (9057, 15239)]