28666935

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 56103840

約数和(自身を除く): 27436905

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 1997, 2871, 4785, 5991, 9985, 14355, 17973, 21967, 29955, 57913, 65901, 89865, 109835, 173739, 197703, 289565, 329505, 521217, 637043, 868695, 988515, 1911129, 2606085, 3185215, 5733387, 9555645, 28666935]

約数ペア:

[(1, 28666935), (3, 9555645), (5, 5733387), (9, 3185215), (11, 2606085), (15, 1911129), (29, 988515), (33, 868695), (45, 637043), (55, 521217), (87, 329505), (99, 289565), (145, 197703), (165, 173739), (261, 109835), (319, 89865), (435, 65901), (495, 57913), (957, 29955), (1305, 21967), (1595, 17973), (1997, 14355), (2871, 9985), (4785, 5991)]