90728778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2160209}}^1$

素因数の和:2160221

約数の個数: 16

約数和(自身を含む): 207380160

約数和(自身を除く): 116651382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2160209, 4320418, 6480627, 12961254, 15121463, 30242926, 45364389, 90728778]

約数ペア:

[(1, 90728778), (2, 45364389), (3, 30242926), (6, 15121463), (7, 12961254), (14, 6480627), (21, 4320418), (42, 2160209)]