28691685

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^2$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 56047680

約数和(自身を除く): 27355995

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 139, 165, 297, 417, 495, 695, 1251, 1485, 1529, 2085, 3753, 4587, 6255, 7645, 13761, 18765, 19321, 22935, 41283, 57963, 68805, 96605, 173889, 206415, 212531, 289815, 521667, 637593, 869445, 1062655, 1912779, 2608335, 3187965, 5738337, 9563895, 28691685]

約数ペア:

[(1, 28691685), (3, 9563895), (5, 5738337), (9, 3187965), (11, 2608335), (15, 1912779), (27, 1062655), (33, 869445), (45, 637593), (55, 521667), (99, 289815), (135, 212531), (139, 206415), (165, 173889), (297, 96605), (417, 68805), (495, 57963), (695, 41283), (1251, 22935), (1485, 19321), (1529, 18765), (2085, 13761), (3753, 7645), (4587, 6255)]