221222547

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15889}}^1$

素因数の和:15932

約数の個数: 48

約数和(自身を含む): 416445120

約数和(自身を除く): 195222573

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 13923, 15889, 47667, 111223, 143001, 206557, 270113, 333669, 619671, 810339, 1001007, 1445899, 1859013, 1890791, 2431017, 3511469, 4337697, 5672373, 10534407, 13013091, 17017119, 24580283, 31603221, 73740849, 221222547]

約数ペア:

[(1, 221222547), (3, 73740849), (7, 31603221), (9, 24580283), (13, 17017119), (17, 13013091), (21, 10534407), (39, 5672373), (51, 4337697), (63, 3511469), (91, 2431017), (117, 1890791), (119, 1859013), (153, 1445899), (221, 1001007), (273, 810339), (357, 619671), (663, 333669), (819, 270113), (1071, 206557), (1547, 143001), (1989, 111223), (4641, 47667), (13923, 15889)]