68938881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 104011776

約数和(自身を除く): 35072895

約数列:

[1, 3, 11, 33, 37, 111, 131, 393, 407, 431, 1221, 1293, 1441, 4323, 4741, 4847, 14223, 14541, 15947, 47841, 53317, 56461, 159951, 169383, 175417, 526251, 621071, 1863213, 2089057, 6267171, 22979627, 68938881]

約数ペア:

[(1, 68938881), (3, 22979627), (11, 6267171), (33, 2089057), (37, 1863213), (111, 621071), (131, 526251), (393, 175417), (407, 169383), (431, 159951), (1221, 56461), (1293, 53317), (1441, 47841), (4323, 15947), (4741, 14541), (4847, 14223)]