28385841

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15159759

約数列:

[1, 3, 11, 23, 33, 69, 149, 251, 253, 447, 753, 759, 1639, 2761, 3427, 4917, 5773, 8283, 10281, 17319, 37399, 37697, 63503, 112197, 113091, 190509, 411389, 860177, 1234167, 2580531, 9461947, 28385841]

約数ペア:

[(1, 28385841), (3, 9461947), (11, 2580531), (23, 1234167), (33, 860177), (69, 411389), (149, 190509), (251, 113091), (253, 112197), (447, 63503), (753, 37697), (759, 37399), (1639, 17319), (2761, 10281), (3427, 8283), (4917, 5773)]