221821902

素因数分解:

$2^1\times 3^4\times {\mathrm{541}}^1\times {\mathrm{2531}}^1$

素因数の和:3086

約数の個数: 40

約数和(自身を含む): 498160872

約数和(自身を除く): 276338970

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 541, 1082, 1623, 2531, 3246, 4869, 5062, 7593, 9738, 14607, 15186, 22779, 29214, 43821, 45558, 68337, 87642, 136674, 205011, 410022, 1369271, 2738542, 4107813, 8215626, 12323439, 24646878, 36970317, 73940634, 110910951, 221821902]

約数ペア:

[(1, 221821902), (2, 110910951), (3, 73940634), (6, 36970317), (9, 24646878), (18, 12323439), (27, 8215626), (54, 4107813), (81, 2738542), (162, 1369271), (541, 410022), (1082, 205011), (1623, 136674), (2531, 87642), (3246, 68337), (4869, 45558), (5062, 43821), (7593, 29214), (9738, 22779), (14607, 15186)]