2981511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 4914000

約数和(自身を除く): 1932489

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1499, 1989, 4497, 13491, 19487, 25483, 58461, 76449, 175383, 229347, 331279, 993837, 2981511]

約数ペア:

[(1, 2981511), (3, 993837), (9, 331279), (13, 229347), (17, 175383), (39, 76449), (51, 58461), (117, 25483), (153, 19487), (221, 13491), (663, 4497), (1499, 1989)]