16961679

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1783}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 28201472

約数和(自身を除く): 11239793

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1783, 3171, 5349, 9513, 12481, 16047, 37443, 112329, 269233, 807699, 1884631, 2423097, 5653893, 16961679]

約数ペア:

[(1, 16961679), (3, 5653893), (7, 2423097), (9, 1884631), (21, 807699), (63, 269233), (151, 112329), (453, 37443), (1057, 16047), (1359, 12481), (1783, 9513), (3171, 5349)]