128478819

素因数分解:

$3^1\times 7^1\times {\mathrm{1511}}^1\times {\mathrm{4049}}^1$

素因数の和:5570

約数の個数: 16

約数和(自身を含む): 195955200

約数和(自身を除く): 67476381

約数列:

[1, 3, 7, 21, 1511, 4049, 4533, 10577, 12147, 28343, 31731, 85029, 6118039, 18354117, 42826273, 128478819]

約数ペア:

[(1, 128478819), (3, 42826273), (7, 18354117), (21, 6118039), (1511, 85029), (4049, 31731), (4533, 28343), (10577, 12147)]