238508739

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 417715200

約数和(自身を除く): 179206461

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 73, 177, 189, 219, 293, 413, 511, 531, 657, 879, 1239, 1533, 1593, 1971, 2051, 2637, 3717, 4307, 4599, 6153, 7911, 11151, 12921, 13797, 17287, 18459, 21389, 30149, 38763, 51861, 55377, 64167, 90447, 116289, 121009, 149723, 155583, 192501, 271341, 363027, 449169, 466749, 577503, 814023, 1089081, 1261951, 1347507, 3267243, 3785853, 4042521, 8833657, 11357559, 26500971, 34072677, 79502913, 238508739]

約数ペア:

[(1, 238508739), (3, 79502913), (7, 34072677), (9, 26500971), (21, 11357559), (27, 8833657), (59, 4042521), (63, 3785853), (73, 3267243), (177, 1347507), (189, 1261951), (219, 1089081), (293, 814023), (413, 577503), (511, 466749), (531, 449169), (657, 363027), (879, 271341), (1239, 192501), (1533, 155583), (1593, 149723), (1971, 121009), (2051, 116289), (2637, 90447), (3717, 64167), (4307, 55377), (4599, 51861), (6153, 38763), (7911, 30149), (11151, 21389), (12921, 18459), (13797, 17287)]