145820007

素因数分解:

$3^4\times {\mathrm{947}}^1\times {\mathrm{1901}}^1$

素因数の和:2860

約数の個数: 20

約数和(自身を含む): 218174616

約数和(自身を除く): 72354609

約数列:

[1, 3, 9, 27, 81, 947, 1901, 2841, 5703, 8523, 17109, 25569, 51327, 76707, 153981, 1800247, 5400741, 16202223, 48606669, 145820007]

約数ペア:

[(1, 145820007), (3, 48606669), (9, 16202223), (27, 5400741), (81, 1800247), (947, 153981), (1901, 76707), (2841, 51327), (5703, 25569), (8523, 17109)]