155640885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2267}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 105632715

約数列:

[1, 3, 5, 15, 23, 69, 115, 199, 345, 597, 995, 2267, 2985, 4577, 6801, 11335, 13731, 22885, 34005, 52141, 68655, 156423, 260705, 451133, 782115, 1353399, 2255665, 6766995, 10376059, 31128177, 51880295, 155640885]

約数ペア:

[(1, 155640885), (3, 51880295), (5, 31128177), (15, 10376059), (23, 6766995), (69, 2255665), (115, 1353399), (199, 782115), (345, 451133), (597, 260705), (995, 156423), (2267, 68655), (2985, 52141), (4577, 34005), (6801, 22885), (11335, 13731)]