287725635

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8293}}^1$

素因数の和:8564

約数の個数: 32

約数和(自身を含む): 513564480

約数和(自身を除く): 225838845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 771, 1285, 2313, 3855, 6939, 8293, 11565, 24879, 34695, 41465, 74637, 124395, 223911, 373185, 1119555, 2131301, 6393903, 10656505, 19181709, 31969515, 57545127, 95908545, 287725635]

約数ペア:

[(1, 287725635), (3, 95908545), (5, 57545127), (9, 31969515), (15, 19181709), (27, 10656505), (45, 6393903), (135, 2131301), (257, 1119555), (771, 373185), (1285, 223911), (2313, 124395), (3855, 74637), (6939, 41465), (8293, 34695), (11565, 24879)]