15972873

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 24946848

約数和(自身を除く): 8973975

約数列:

[1, 3, 7, 21, 49, 147, 193, 563, 579, 1351, 1689, 3941, 4053, 9457, 11823, 27587, 28371, 82761, 108659, 325977, 760613, 2281839, 5324291, 15972873]

約数ペア:

[(1, 15972873), (3, 5324291), (7, 2281839), (21, 760613), (49, 325977), (147, 108659), (193, 82761), (563, 28371), (579, 27587), (1351, 11823), (1689, 9457), (3941, 4053)]