199773

素因数分解:

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

素因数の和:174

約数の個数: 24

約数和(自身を含む): 346560

約数和(自身を除く): 146787

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 151, 189, 441, 453, 1057, 1323, 1359, 3171, 4077, 7399, 9513, 22197, 28539, 66591, 199773]

約数ペア:

[(1, 199773), (3, 66591), (7, 28539), (9, 22197), (21, 9513), (27, 7399), (49, 4077), (63, 3171), (147, 1359), (151, 1323), (189, 1057), (441, 453)]