209230455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20543}}^1$

素因数の和:20655

約数の個数: 32

約数和(自身を含む): 386555904

約数和(自身を除く): 177325449

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2037, 3395, 10185, 20543, 61629, 102715, 143801, 308145, 431403, 719005, 1992671, 2157015, 5978013, 9963355, 13948697, 29890065, 41846091, 69743485, 209230455]

約数ペア:

[(1, 209230455), (3, 69743485), (5, 41846091), (7, 29890065), (15, 13948697), (21, 9963355), (35, 5978013), (97, 2157015), (105, 1992671), (291, 719005), (485, 431403), (679, 308145), (1455, 143801), (2037, 102715), (3395, 61629), (10185, 20543)]