219872691

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{51869}}^1$

素因数の和:52035

約数の個数: 16

約数和(自身を含む): 327818400

約数和(自身を除く): 107945709

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 51869, 155607, 466821, 1400463, 8143433, 24430299, 73290897, 219872691]

約数ペア:

[(1, 219872691), (3, 73290897), (9, 24430299), (27, 8143433), (157, 1400463), (471, 466821), (1413, 155607), (4239, 51869)]