201283551

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{23321}}^1$

素因数の和:23471

約数の個数: 24

約数和(自身を含む): 334717344

約数和(自身を除く): 133433793

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 23321, 69963, 163247, 209889, 489741, 1469223, 3194977, 9584931, 22364839, 28754793, 67094517, 201283551]

約数ペア:

[(1, 201283551), (3, 67094517), (7, 28754793), (9, 22364839), (21, 9584931), (63, 3194977), (137, 1469223), (411, 489741), (959, 209889), (1233, 163247), (2877, 69963), (8631, 23321)]