280147507227

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1\times {\mathrm{60257}}^1$

素因数の和:61737

約数の個数: 64

約数和(自身を含む): 502580643840

約数和(自身を除く): 222433136613

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 1447, 3213, 4341, 10129, 13023, 24599, 30387, 39069, 60257, 73797, 91161, 172193, 180771, 221391, 273483, 421799, 516579, 542313, 664173, 1024369, 1265397, 1549737, 1626939, 3073107, 3796191, 4649211, 7170583, 9219321, 11388573, 21511749, 27657963, 64535247, 87191879, 193605741, 261575637, 610343153, 784726911, 1482261943, 1831029459, 2354180733, 4446785829, 5493088377, 10375833601, 13340357487, 16479265131, 31127500803, 40021072461, 93382502409, 280147507227]

約数ペア:

[(1, 280147507227), (3, 93382502409), (7, 40021072461), (9, 31127500803), (17, 16479265131), (21, 13340357487), (27, 10375833601), (51, 5493088377), (63, 4446785829), (119, 2354180733), (153, 1831029459), (189, 1482261943), (357, 784726911), (459, 610343153), (1071, 261575637), (1447, 193605741), (3213, 87191879), (4341, 64535247), (10129, 27657963), (13023, 21511749), (24599, 11388573), (30387, 9219321), (39069, 7170583), (60257, 4649211), (73797, 3796191), (91161, 3073107), (172193, 1626939), (180771, 1549737), (221391, 1265397), (273483, 1024369), (421799, 664173), (516579, 542313)]