218224713

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9613}}^1$

素因数の和:9693

約数の個数: 32

約数和(自身を含む): 354410496

約数和(自身を除く): 136185783

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3243, 7567, 9613, 22701, 28839, 67291, 201873, 221099, 451811, 663297, 1355433, 1547693, 3162677, 4643079, 9488031, 10391653, 31174959, 72741571, 218224713]

約数ペア:

[(1, 218224713), (3, 72741571), (7, 31174959), (21, 10391653), (23, 9488031), (47, 4643079), (69, 3162677), (141, 1547693), (161, 1355433), (329, 663297), (483, 451811), (987, 221099), (1081, 201873), (3243, 67291), (7567, 28839), (9613, 22701)]