84178227

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{30139}}^1$

素因数の和:30175

約数の個数: 24

約数和(自身を含む): 137438400

約数和(自身を除く): 53260173

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 30139, 90417, 210973, 572641, 632919, 1476811, 1717923, 4008487, 4430433, 12025461, 28059409, 84178227]

約数ペア:

[(1, 84178227), (3, 28059409), (7, 12025461), (19, 4430433), (21, 4008487), (49, 1717923), (57, 1476811), (133, 632919), (147, 572641), (399, 210973), (931, 90417), (2793, 30139)]