211028715

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{28081}}^1$

素因数の和:28259

約数の個数: 24

約数和(自身を含む): 367986528

約数和(自身を除く): 156957813

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 7515, 28081, 84243, 140405, 252729, 421215, 1263645, 4689527, 14068581, 23447635, 42205743, 70342905, 211028715]

約数ペア:

[(1, 211028715), (3, 70342905), (5, 42205743), (9, 23447635), (15, 14068581), (45, 4689527), (167, 1263645), (501, 421215), (835, 252729), (1503, 140405), (2505, 84243), (7515, 28081)]