16491195

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 34607664

約数和(自身を除く): 18116469

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 277, 315, 405, 441, 567, 735, 831, 945, 1215, 1323, 1385, 1701, 1939, 2205, 2493, 2835, 3969, 4155, 5817, 6615, 7479, 8505, 9695, 11907, 12465, 13573, 17451, 19845, 22437, 29085, 37395, 40719, 52353, 59535, 67311, 67865, 87255, 112185, 122157, 157059, 203595, 261765, 336555, 366471, 471177, 610785, 785295, 1099413, 1832355, 2355885, 3298239, 5497065, 16491195]

約数ペア:

[(1, 16491195), (3, 5497065), (5, 3298239), (7, 2355885), (9, 1832355), (15, 1099413), (21, 785295), (27, 610785), (35, 471177), (45, 366471), (49, 336555), (63, 261765), (81, 203595), (105, 157059), (135, 122157), (147, 112185), (189, 87255), (243, 67865), (245, 67311), (277, 59535), (315, 52353), (405, 40719), (441, 37395), (567, 29085), (735, 22437), (831, 19845), (945, 17451), (1215, 13573), (1323, 12465), (1385, 11907), (1701, 9695), (1939, 8505), (2205, 7479), (2493, 6615), (2835, 5817), (3969, 4155)]