31335855

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 52005888

約数和(自身を除く): 20670033

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 393, 431, 555, 655, 1293, 1965, 2155, 4847, 6465, 14541, 15947, 24235, 47841, 56461, 72705, 79735, 169383, 239205, 282305, 846915, 2089057, 6267171, 10445285, 31335855]

約数ペア:

[(1, 31335855), (3, 10445285), (5, 6267171), (15, 2089057), (37, 846915), (111, 282305), (131, 239205), (185, 169383), (393, 79735), (431, 72705), (555, 56461), (655, 47841), (1293, 24235), (1965, 15947), (2155, 14541), (4847, 6465)]