1878135987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{12577}}^1$

素因数の和:13147

約数の個数: 32

約数和(自身を含む): 3087949312

約数和(自身を除く): 1209813325

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 547, 1641, 3829, 7111, 11487, 12577, 21333, 37731, 49777, 88039, 149331, 163501, 264117, 490503, 1144507, 3433521, 6879619, 20638857, 48157333, 89435047, 144471999, 268305141, 626045329, 1878135987]

約数ペア:

[(1, 1878135987), (3, 626045329), (7, 268305141), (13, 144471999), (21, 89435047), (39, 48157333), (91, 20638857), (273, 6879619), (547, 3433521), (1641, 1144507), (3829, 490503), (7111, 264117), (11487, 163501), (12577, 149331), (21333, 88039), (37731, 49777)]