16992171

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 29130192

約数和(自身を除く): 12138021

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 727, 1113, 2181, 2597, 3339, 5089, 6543, 7791, 15267, 23373, 35623, 38531, 45801, 106869, 115593, 269717, 320607, 346779, 809151, 1888019, 2427453, 5664057, 16992171]

約数ペア:

[(1, 16992171), (3, 5664057), (7, 2427453), (9, 1888019), (21, 809151), (49, 346779), (53, 320607), (63, 269717), (147, 115593), (159, 106869), (371, 45801), (441, 38531), (477, 35623), (727, 23373), (1113, 15267), (2181, 7791), (2597, 6543), (3339, 5089)]