1389788253

素因数分解:

$3^3\times 7^1\times {\mathrm{7353377}}^1$

素因数の和:7353393

約数の個数: 16

約数和(自身を含む): 2353080960

約数和(自身を除く): 963292707

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 7353377, 22060131, 51473639, 66180393, 154420917, 198541179, 463262751, 1389788253]

約数ペア:

[(1, 1389788253), (3, 463262751), (7, 198541179), (9, 154420917), (21, 66180393), (27, 51473639), (63, 22060131), (189, 7353377)]