1987316373

素因数分解:

$3^1\times 7^2\times {\mathrm{13519159}}^1$

素因数の和:13519176

約数の個数: 12

約数和(自身を含む): 3082368480

約数和(自身を除く): 1095052107

約数列:

[1, 3, 7, 21, 49, 147, 13519159, 40557477, 94634113, 283902339, 662438791, 1987316373]

約数ペア:

[(1, 1987316373), (3, 662438791), (7, 283902339), (21, 94634113), (49, 40557477), (147, 13519159)]