26686815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 18932385

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1979, 2697, 4495, 5937, 9895, 13485, 29685, 57391, 61349, 172173, 184047, 286955, 306745, 860865, 920235, 1779121, 5337363, 8895605, 26686815]

約数ペア:

[(1, 26686815), (3, 8895605), (5, 5337363), (15, 1779121), (29, 920235), (31, 860865), (87, 306745), (93, 286955), (145, 184047), (155, 172173), (435, 61349), (465, 57391), (899, 29685), (1979, 13485), (2697, 9895), (4495, 5937)]