16986879

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2996

約数の個数: 36

約数和(自身を含む): 30748536

約数和(自身を除く): 13761657

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 2963, 5733, 8889, 20741, 26667, 38519, 62223, 115557, 145187, 186669, 269633, 346671, 435561, 808899, 1306683, 1887431, 2426697, 5662293, 16986879]

約数ペア:

[(1, 16986879), (3, 5662293), (7, 2426697), (9, 1887431), (13, 1306683), (21, 808899), (39, 435561), (49, 346671), (63, 269633), (91, 186669), (117, 145187), (147, 115557), (273, 62223), (441, 38519), (637, 26667), (819, 20741), (1911, 8889), (2963, 5733)]