19710117

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5903}}^1$

素因数の和:5969

約数の個数: 24

約数和(自身を含む): 33156864

約数和(自身を除く): 13446747

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5903, 17709, 41321, 53127, 123963, 312859, 371889, 938577, 2190013, 2815731, 6570039, 19710117]

約数ペア:

[(1, 19710117), (3, 6570039), (7, 2815731), (9, 2190013), (21, 938577), (53, 371889), (63, 312859), (159, 123963), (371, 53127), (477, 41321), (1113, 17709), (3339, 5903)]