28670733

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 24571827

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1667, 1911, 2457, 5001, 5733, 11669, 15003, 17199, 21671, 35007, 45009, 65013, 81683, 105021, 151697, 195039, 245049, 315063, 455091, 585117, 735147, 1061879, 1365273, 2205441, 3185637, 4095819, 9556911, 28670733]

約数ペア:

[(1, 28670733), (3, 9556911), (7, 4095819), (9, 3185637), (13, 2205441), (21, 1365273), (27, 1061879), (39, 735147), (49, 585117), (63, 455091), (91, 315063), (117, 245049), (147, 195039), (189, 151697), (273, 105021), (351, 81683), (441, 65013), (637, 45009), (819, 35007), (1323, 21671), (1667, 17199), (1911, 15003), (2457, 11669), (5001, 5733)]