17808291

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 27883440

約数和(自身を除く): 10075149

約数列:

[1, 3, 9, 29, 31, 71, 87, 93, 213, 261, 279, 639, 899, 961, 2059, 2201, 2697, 2883, 6177, 6603, 8091, 8649, 18531, 19809, 27869, 63829, 68231, 83607, 191487, 204693, 250821, 574461, 614079, 1978699, 5936097, 17808291]

約数ペア:

[(1, 17808291), (3, 5936097), (9, 1978699), (29, 614079), (31, 574461), (71, 250821), (87, 204693), (93, 191487), (213, 83607), (261, 68231), (279, 63829), (639, 27869), (899, 19809), (961, 18531), (2059, 8649), (2201, 8091), (2697, 6603), (2883, 6177)]