28708155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1825

約数の個数: 64

約数和(自身を含む): 61793280

約数和(自身を除く): 33085125

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 1787, 2295, 3213, 5355, 5361, 8935, 12509, 16065, 16083, 26805, 30379, 37527, 48249, 62545, 80415, 91137, 112581, 151895, 187635, 212653, 241245, 273411, 337743, 455685, 562905, 637959, 820233, 1063265, 1367055, 1688715, 1913877, 3189795, 4101165, 5741631, 9569385, 28708155]

約数ペア:

[(1, 28708155), (3, 9569385), (5, 5741631), (7, 4101165), (9, 3189795), (15, 1913877), (17, 1688715), (21, 1367055), (27, 1063265), (35, 820233), (45, 637959), (51, 562905), (63, 455685), (85, 337743), (105, 273411), (119, 241245), (135, 212653), (153, 187635), (189, 151895), (255, 112581), (315, 91137), (357, 80415), (459, 62545), (595, 48249), (765, 37527), (945, 30379), (1071, 26805), (1785, 16083), (1787, 16065), (2295, 12509), (3213, 8935), (5355, 5361)]