247750503

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 492355584

約数和(自身を除く): 244605081

約数列:

[1, 3, 7, 11, 13, 17, 21, 23, 33, 39, 51, 69, 77, 91, 119, 143, 161, 187, 211, 221, 231, 253, 273, 299, 357, 391, 429, 483, 561, 633, 663, 759, 897, 1001, 1173, 1309, 1477, 1547, 1771, 2093, 2321, 2431, 2737, 2743, 3003, 3289, 3587, 3927, 4301, 4431, 4641, 4853, 5083, 5313, 6279, 6963, 7293, 8211, 8229, 9867, 10761, 12903, 14559, 15249, 16247, 17017, 19201, 23023, 25109, 30107, 30173, 33971, 35581, 39457, 46631, 48741, 51051, 53383, 55913, 57603, 63089, 69069, 75327, 82501, 90321, 90519, 101913, 106743, 118371, 139893, 160149, 167739, 189267, 211211, 247503, 276199, 326417, 373681, 391391, 441623, 512941, 577507, 633633, 693979, 828597, 907511, 979251, 1072513, 1121043, 1174173, 1324869, 1538823, 1732521, 2081937, 2722533, 3217539, 3590587, 4857853, 6352577, 7507591, 10771761, 11797643, 14573559, 19057731, 22522773, 35392929, 82583501, 247750503]

約数ペア:

[(1, 247750503), (3, 82583501), (7, 35392929), (11, 22522773), (13, 19057731), (17, 14573559), (21, 11797643), (23, 10771761), (33, 7507591), (39, 6352577), (51, 4857853), (69, 3590587), (77, 3217539), (91, 2722533), (119, 2081937), (143, 1732521), (161, 1538823), (187, 1324869), (211, 1174173), (221, 1121043), (231, 1072513), (253, 979251), (273, 907511), (299, 828597), (357, 693979), (391, 633633), (429, 577507), (483, 512941), (561, 441623), (633, 391391), (663, 373681), (759, 326417), (897, 276199), (1001, 247503), (1173, 211211), (1309, 189267), (1477, 167739), (1547, 160149), (1771, 139893), (2093, 118371), (2321, 106743), (2431, 101913), (2737, 90519), (2743, 90321), (3003, 82501), (3289, 75327), (3587, 69069), (3927, 63089), (4301, 57603), (4431, 55913), (4641, 53383), (4853, 51051), (5083, 48741), (5313, 46631), (6279, 39457), (6963, 35581), (7293, 33971), (8211, 30173), (8229, 30107), (9867, 25109), (10761, 23023), (12903, 19201), (14559, 17017), (15249, 16247)]