213785667

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 335382528

約数和(自身を除く): 121596861

約数列:

[1, 3, 9, 23, 37, 69, 103, 111, 207, 271, 309, 333, 813, 851, 927, 2369, 2439, 2553, 3811, 6233, 7107, 7659, 10027, 11433, 18699, 21321, 27913, 30081, 34299, 56097, 83739, 87653, 90243, 230621, 251217, 262959, 641999, 691863, 788877, 1032781, 1925997, 2075589, 3098343, 5777991, 9295029, 23753963, 71261889, 213785667]

約数ペア:

[(1, 213785667), (3, 71261889), (9, 23753963), (23, 9295029), (37, 5777991), (69, 3098343), (103, 2075589), (111, 1925997), (207, 1032781), (271, 788877), (309, 691863), (333, 641999), (813, 262959), (851, 251217), (927, 230621), (2369, 90243), (2439, 87653), (2553, 83739), (3811, 56097), (6233, 34299), (7107, 30081), (7659, 27913), (10027, 21321), (11433, 18699)]