28945995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 50534400

約数和(自身を除く): 21588405

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1879, 3081, 5135, 5637, 9395, 15405, 24427, 28185, 73281, 122135, 148441, 366405, 445323, 742205, 1929733, 2226615, 5789199, 9648665, 28945995]

約数ペア:

[(1, 28945995), (3, 9648665), (5, 5789199), (13, 2226615), (15, 1929733), (39, 742205), (65, 445323), (79, 366405), (195, 148441), (237, 122135), (395, 73281), (1027, 28185), (1185, 24427), (1879, 15405), (3081, 9395), (5135, 5637)]