87431859

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 132288000

約数和(自身を除く): 44856141

約数列:

[1, 3, 9, 27, 103, 149, 211, 309, 447, 633, 927, 1341, 1899, 2781, 4023, 5697, 15347, 21733, 31439, 46041, 65199, 94317, 138123, 195597, 282951, 414369, 586791, 848853, 3238217, 9714651, 29143953, 87431859]

約数ペア:

[(1, 87431859), (3, 29143953), (9, 9714651), (27, 3238217), (103, 848853), (149, 586791), (211, 414369), (309, 282951), (447, 195597), (633, 138123), (927, 94317), (1341, 65199), (1899, 46041), (2781, 31439), (4023, 21733), (5697, 15347)]