209230305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{13451}}^1$

素因数の和:13537

約数の個数: 32

約数和(自身を含む): 360298368

約数和(自身を除く): 151068063

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 5185, 13451, 15555, 40353, 67255, 201765, 228667, 686001, 820511, 1143335, 2461533, 3430005, 4102555, 12307665, 13948687, 41846061, 69743435, 209230305]

約数ペア:

[(1, 209230305), (3, 69743435), (5, 41846061), (15, 13948687), (17, 12307665), (51, 4102555), (61, 3430005), (85, 2461533), (183, 1143335), (255, 820511), (305, 686001), (915, 228667), (1037, 201765), (3111, 67255), (5185, 40353), (13451, 15555)]