163940553

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 281057920

約数和(自身を除く): 117117367

約数列:

[1, 3, 7, 9, 21, 43, 63, 73, 129, 219, 301, 387, 511, 657, 829, 903, 1533, 2487, 2709, 3139, 4599, 5803, 7461, 9417, 17409, 21973, 28251, 35647, 52227, 60517, 65919, 106941, 181551, 197757, 249529, 320823, 423619, 544653, 748587, 1270857, 2245761, 2602231, 3812571, 7806693, 18215617, 23420079, 54646851, 163940553]

約数ペア:

[(1, 163940553), (3, 54646851), (7, 23420079), (9, 18215617), (21, 7806693), (43, 3812571), (63, 2602231), (73, 2245761), (129, 1270857), (219, 748587), (301, 544653), (387, 423619), (511, 320823), (657, 249529), (829, 197757), (903, 181551), (1533, 106941), (2487, 65919), (2709, 60517), (3139, 52227), (4599, 35647), (5803, 28251), (7461, 21973), (9417, 17409)]