28233261

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:970

約数の個数: 36

約数和(自身を含む): 48144252

約数和(自身を除く): 19910991

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 877, 1533, 2631, 3577, 4599, 6139, 7893, 10731, 18417, 32193, 42973, 55251, 64021, 128919, 192063, 386757, 448147, 576189, 1344441, 3137029, 4033323, 9411087, 28233261]

約数ペア:

[(1, 28233261), (3, 9411087), (7, 4033323), (9, 3137029), (21, 1344441), (49, 576189), (63, 448147), (73, 386757), (147, 192063), (219, 128919), (441, 64021), (511, 55251), (657, 42973), (877, 32193), (1533, 18417), (2631, 10731), (3577, 7893), (4599, 6139)]