221499993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2447}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 348751872

約数和(自身を除く): 127251879

約数列:

[1, 3, 11, 13, 33, 39, 143, 211, 429, 633, 2321, 2447, 2743, 6963, 7341, 8229, 26917, 30173, 31811, 80751, 90519, 95433, 349921, 516317, 1049763, 1548951, 5679487, 6712121, 17038461, 20136363, 73833331, 221499993]

約数ペア:

[(1, 221499993), (3, 73833331), (11, 20136363), (13, 17038461), (33, 6712121), (39, 5679487), (143, 1548951), (211, 1049763), (429, 516317), (633, 349921), (2321, 95433), (2447, 90519), (2743, 80751), (6963, 31811), (7341, 30173), (8229, 26917)]