28980435

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 24601389

約数列:

[1, 3, 5, 11, 15, 33, 37, 47, 55, 101, 111, 141, 165, 185, 235, 303, 407, 505, 517, 555, 705, 1111, 1221, 1515, 1551, 1739, 2035, 2585, 3333, 3737, 4747, 5217, 5555, 6105, 7755, 8695, 11211, 14241, 16665, 18685, 19129, 23735, 26085, 41107, 52217, 56055, 57387, 71205, 95645, 123321, 156651, 175639, 205535, 261085, 286935, 526917, 616605, 783255, 878195, 1932029, 2634585, 5796087, 9660145, 28980435]

約数ペア:

[(1, 28980435), (3, 9660145), (5, 5796087), (11, 2634585), (15, 1932029), (33, 878195), (37, 783255), (47, 616605), (55, 526917), (101, 286935), (111, 261085), (141, 205535), (165, 175639), (185, 156651), (235, 123321), (303, 95645), (407, 71205), (505, 57387), (517, 56055), (555, 52217), (705, 41107), (1111, 26085), (1221, 23735), (1515, 19129), (1551, 18685), (1739, 16665), (2035, 14241), (2585, 11211), (3333, 8695), (3737, 7755), (4747, 6105), (5217, 5555)]