205888905

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 384353280

約数和(自身を除く): 178464375

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 47, 111, 135, 141, 185, 235, 333, 423, 555, 705, 877, 999, 1269, 1665, 1739, 2115, 2631, 4385, 4995, 5217, 6345, 7893, 8695, 13155, 15651, 23679, 26085, 32449, 39465, 41219, 46953, 78255, 97347, 118395, 123657, 162245, 206095, 234765, 292041, 370971, 486735, 618285, 876123, 1112913, 1460205, 1525103, 1854855, 4380615, 4575309, 5564565, 7625515, 13725927, 22876545, 41177781, 68629635, 205888905]

約数ペア:

[(1, 205888905), (3, 68629635), (5, 41177781), (9, 22876545), (15, 13725927), (27, 7625515), (37, 5564565), (45, 4575309), (47, 4380615), (111, 1854855), (135, 1525103), (141, 1460205), (185, 1112913), (235, 876123), (333, 618285), (423, 486735), (555, 370971), (705, 292041), (877, 234765), (999, 206095), (1269, 162245), (1665, 123657), (1739, 118395), (2115, 97347), (2631, 78255), (4385, 46953), (4995, 41219), (5217, 39465), (6345, 32449), (7893, 26085), (8695, 23679), (13155, 15651)]