7828245

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 14938560

約数和(自身を除く): 7110315

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 379, 405, 459, 765, 1137, 1215, 1377, 1895, 2295, 3411, 4131, 5685, 6443, 6885, 10233, 17055, 19329, 20655, 30699, 32215, 51165, 57987, 92097, 96645, 153495, 173961, 289935, 460485, 521883, 869805, 1565649, 2609415, 7828245]

約数ペア:

[(1, 7828245), (3, 2609415), (5, 1565649), (9, 869805), (15, 521883), (17, 460485), (27, 289935), (45, 173961), (51, 153495), (81, 96645), (85, 92097), (135, 57987), (153, 51165), (243, 32215), (255, 30699), (379, 20655), (405, 19329), (459, 17055), (765, 10233), (1137, 6885), (1215, 6443), (1377, 5685), (1895, 4131), (2295, 3411)]