28897209

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 18190791

約数列:

[1, 3, 9, 11, 27, 33, 99, 149, 297, 447, 653, 1341, 1639, 1959, 4023, 4917, 5877, 7183, 14751, 17631, 21549, 44253, 64647, 97297, 193941, 291891, 875673, 1070267, 2627019, 3210801, 9632403, 28897209]

約数ペア:

[(1, 28897209), (3, 9632403), (9, 3210801), (11, 2627019), (27, 1070267), (33, 875673), (99, 291891), (149, 193941), (297, 97297), (447, 64647), (653, 44253), (1341, 21549), (1639, 17631), (1959, 14751), (4023, 7183), (4917, 5877)]