12215749

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 15525888

約数和(自身を除く): 3310139

約数列:

[1, 7, 13, 49, 91, 127, 151, 637, 889, 1057, 1651, 1963, 6223, 7399, 11557, 13741, 19177, 80899, 96187, 134239, 249301, 939673, 1745107, 12215749]

約数ペア:

[(1, 12215749), (7, 1745107), (13, 939673), (49, 249301), (91, 134239), (127, 96187), (151, 80899), (637, 19177), (889, 13741), (1057, 11557), (1651, 7399), (1963, 6223)]