209817381879

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9293}}^1\times {\mathrm{8741}}^1$

素因数の和:18088

約数の個数: 48

約数和(自身を含む): 354891910464

約数和(自身を除く): 145074528585

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 8741, 9293, 26223, 27879, 61187, 65051, 78669, 83637, 183561, 195153, 358381, 381013, 550683, 585459, 1075143, 1143039, 2508667, 2667091, 3225429, 3429117, 7526001, 8001273, 22578003, 24003819, 81230113, 243690339, 568610791, 731071017, 1705832373, 3330434633, 5117497119, 9991303899, 23313042431, 29973911697, 69939127293, 209817381879]

約数ペア:

[(1, 209817381879), (3, 69939127293), (7, 29973911697), (9, 23313042431), (21, 9991303899), (41, 5117497119), (63, 3330434633), (123, 1705832373), (287, 731071017), (369, 568610791), (861, 243690339), (2583, 81230113), (8741, 24003819), (9293, 22578003), (26223, 8001273), (27879, 7526001), (61187, 3429117), (65051, 3225429), (78669, 2667091), (83637, 2508667), (183561, 1143039), (195153, 1075143), (358381, 585459), (381013, 550683)]