29991519

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 49926240

約数和(自身を除く): 19934721

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 181, 323, 361, 459, 513, 543, 969, 1083, 1629, 2907, 3077, 3249, 3439, 4887, 6137, 8721, 9231, 9747, 10317, 18411, 27693, 30951, 55233, 58463, 65341, 83079, 92853, 165699, 175389, 196023, 526167, 588069, 1110797, 1578501, 1764207, 3332391, 9997173, 29991519]

約数ペア:

[(1, 29991519), (3, 9997173), (9, 3332391), (17, 1764207), (19, 1578501), (27, 1110797), (51, 588069), (57, 526167), (153, 196023), (171, 175389), (181, 165699), (323, 92853), (361, 83079), (459, 65341), (513, 58463), (543, 55233), (969, 30951), (1083, 27693), (1629, 18411), (2907, 10317), (3077, 9747), (3249, 9231), (3439, 8721), (4887, 6137)]