1388955

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 2396160

約数和(自身を除く): 1007205

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 103, 145, 155, 309, 435, 465, 515, 899, 1545, 2697, 2987, 3193, 4495, 8961, 9579, 13485, 14935, 15965, 44805, 47895, 92597, 277791, 462985, 1388955]

約数ペア:

[(1, 1388955), (3, 462985), (5, 277791), (15, 92597), (29, 47895), (31, 44805), (87, 15965), (93, 14935), (103, 13485), (145, 9579), (155, 8961), (309, 4495), (435, 3193), (465, 2987), (515, 2697), (899, 1545)]