1214921835

素因数分解:

$3^4\times 5^1\times {\mathrm{2999807}}^1$

素因数の和:2999824

約数の個数: 20

約数和(自身を含む): 2177860608

約数和(自身を除く): 962938773

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2999807, 8999421, 14999035, 26998263, 44997105, 80994789, 134991315, 242984367, 404973945, 1214921835]

約数ペア:

[(1, 1214921835), (3, 404973945), (5, 242984367), (9, 134991315), (15, 80994789), (27, 44997105), (45, 26998263), (81, 14999035), (135, 8999421), (405, 2999807)]