18054195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 12814797

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1217, 2967, 3651, 4945, 6085, 14835, 18255, 27991, 52331, 83973, 139955, 156993, 261655, 419865, 784965, 1203613, 3610839, 6018065, 18054195]

約数ペア:

[(1, 18054195), (3, 6018065), (5, 3610839), (15, 1203613), (23, 784965), (43, 419865), (69, 261655), (115, 156993), (129, 139955), (215, 83973), (345, 52331), (645, 27991), (989, 18255), (1217, 14835), (2967, 6085), (3651, 4945)]