15640065

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 32491368

約数和(自身を除く): 16851303

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 173, 205, 245, 287, 315, 369, 441, 519, 615, 735, 861, 865, 1211, 1435, 1557, 1845, 2009, 2205, 2583, 2595, 3633, 4305, 6027, 6055, 7093, 7785, 8477, 10045, 10899, 12915, 18081, 18165, 21279, 25431, 30135, 35465, 42385, 49651, 54495, 63837, 76293, 90405, 106395, 127155, 148953, 248255, 319185, 347557, 381465, 446859, 744765, 1042671, 1737785, 2234295, 3128013, 5213355, 15640065]

約数ペア:

[(1, 15640065), (3, 5213355), (5, 3128013), (7, 2234295), (9, 1737785), (15, 1042671), (21, 744765), (35, 446859), (41, 381465), (45, 347557), (49, 319185), (63, 248255), (105, 148953), (123, 127155), (147, 106395), (173, 90405), (205, 76293), (245, 63837), (287, 54495), (315, 49651), (369, 42385), (441, 35465), (519, 30135), (615, 25431), (735, 21279), (861, 18165), (865, 18081), (1211, 12915), (1435, 10899), (1557, 10045), (1845, 8477), (2009, 7785), (2205, 7093), (2583, 6055), (2595, 6027), (3633, 4305)]