16528239

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 31696560

約数和(自身を除く): 15168321

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 49, 63, 91, 93, 117, 147, 189, 217, 273, 279, 351, 403, 441, 637, 651, 819, 837, 961, 1209, 1323, 1519, 1911, 1953, 2457, 2821, 2883, 3627, 4557, 5733, 5859, 6727, 8463, 8649, 10881, 12493, 13671, 17199, 19747, 20181, 25389, 25947, 37479, 41013, 47089, 59241, 60543, 76167, 87451, 112437, 141267, 177723, 181629, 262353, 337311, 423801, 533169, 612157, 787059, 1271403, 1836471, 2361177, 5509413, 16528239]

約数ペア:

[(1, 16528239), (3, 5509413), (7, 2361177), (9, 1836471), (13, 1271403), (21, 787059), (27, 612157), (31, 533169), (39, 423801), (49, 337311), (63, 262353), (91, 181629), (93, 177723), (117, 141267), (147, 112437), (189, 87451), (217, 76167), (273, 60543), (279, 59241), (351, 47089), (403, 41013), (441, 37479), (637, 25947), (651, 25389), (819, 20181), (837, 19747), (961, 17199), (1209, 13671), (1323, 12493), (1519, 10881), (1911, 8649), (1953, 8463), (2457, 6727), (2821, 5859), (2883, 5733), (3627, 4557)]