1303281

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 2181504

約数和(自身を除く): 878223

約数列:

[1, 3, 7, 9, 21, 63, 137, 151, 411, 453, 959, 1057, 1233, 1359, 2877, 3171, 8631, 9513, 20687, 62061, 144809, 186183, 434427, 1303281]

約数ペア:

[(1, 1303281), (3, 434427), (7, 186183), (9, 144809), (21, 62061), (63, 20687), (137, 9513), (151, 8631), (411, 3171), (453, 2877), (959, 1359), (1057, 1233)]