253366659

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 462477600

約数和(自身を除く): 209110941

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 169, 273, 371, 449, 477, 507, 689, 819, 1113, 1183, 1347, 1521, 2067, 3143, 3339, 3549, 4041, 4823, 5837, 6201, 8957, 9429, 10647, 14469, 17511, 23797, 26871, 28287, 40859, 43407, 52533, 62699, 71391, 75881, 80613, 122577, 166579, 188097, 214173, 227643, 309361, 367731, 499737, 531167, 564291, 682929, 928083, 1499211, 1593501, 2165527, 2784249, 4021693, 4780503, 6496581, 12065079, 19489743, 28151851, 36195237, 84455553, 253366659]

約数ペア:

[(1, 253366659), (3, 84455553), (7, 36195237), (9, 28151851), (13, 19489743), (21, 12065079), (39, 6496581), (53, 4780503), (63, 4021693), (91, 2784249), (117, 2165527), (159, 1593501), (169, 1499211), (273, 928083), (371, 682929), (449, 564291), (477, 531167), (507, 499737), (689, 367731), (819, 309361), (1113, 227643), (1183, 214173), (1347, 188097), (1521, 166579), (2067, 122577), (3143, 80613), (3339, 75881), (3549, 71391), (4041, 62699), (4823, 52533), (5837, 43407), (6201, 40859), (8957, 28287), (9429, 26871), (10647, 23797), (14469, 17511)]