20191479

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12487}}^1$

素因数の和:12515

約数の個数: 24

約数和(自身を含む): 34167168

約数和(自身を除く): 13975689

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12487, 37461, 87409, 137357, 262227, 412071, 611863, 961499, 1835589, 2884497, 6730493, 20191479]

約数ペア:

[(1, 20191479), (3, 6730493), (7, 2884497), (11, 1835589), (21, 961499), (33, 611863), (49, 412071), (77, 262227), (147, 137357), (231, 87409), (539, 37461), (1617, 12487)]