201920649

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2531}}^1$

素因数の和:2701

約数の個数: 32

約数和(自身を含む): 320855040

約数和(自身を除く): 118934391

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 393, 609, 917, 2531, 2751, 3799, 7593, 11397, 17717, 26593, 53151, 73399, 79779, 220197, 331561, 513793, 994683, 1541379, 2320927, 6962781, 9615269, 28845807, 67306883, 201920649]

約数ペア:

[(1, 201920649), (3, 67306883), (7, 28845807), (21, 9615269), (29, 6962781), (87, 2320927), (131, 1541379), (203, 994683), (393, 513793), (609, 331561), (917, 220197), (2531, 79779), (2751, 73399), (3799, 53151), (7593, 26593), (11397, 17717)]