201299889

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{72073}}^1$

素因数の和:72109

約数の個数: 24

約数和(自身を含む): 328657440

約数和(自身を除く): 127357551

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 72073, 216219, 504511, 1369387, 1513533, 3531577, 4108161, 9585709, 10594731, 28757127, 67099963, 201299889]

約数ペア:

[(1, 201299889), (3, 67099963), (7, 28757127), (19, 10594731), (21, 9585709), (49, 4108161), (57, 3531577), (133, 1513533), (147, 1369387), (399, 504511), (931, 216219), (2793, 72073)]