28690065

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{953}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 22596975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 953, 1115, 2007, 2859, 3345, 4765, 6021, 8577, 10035, 14295, 25731, 30105, 42885, 128655, 212519, 637557, 1062595, 1912671, 3187785, 5738013, 9563355, 28690065]

約数ペア:

[(1, 28690065), (3, 9563355), (5, 5738013), (9, 3187785), (15, 1912671), (27, 1062595), (45, 637557), (135, 212519), (223, 128655), (669, 42885), (953, 30105), (1115, 25731), (2007, 14295), (2859, 10035), (3345, 8577), (4765, 6021)]