15288021

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 26600640

約数和(自身を除く): 11312619

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 457, 531, 567, 1239, 1371, 1593, 3199, 3717, 4113, 4779, 9597, 11151, 12339, 26963, 28791, 33453, 37017, 80889, 86373, 188741, 242667, 259119, 566223, 728001, 1698669, 2184003, 5096007, 15288021]

約数ペア:

[(1, 15288021), (3, 5096007), (7, 2184003), (9, 1698669), (21, 728001), (27, 566223), (59, 259119), (63, 242667), (81, 188741), (177, 86373), (189, 80889), (413, 37017), (457, 33453), (531, 28791), (567, 26963), (1239, 12339), (1371, 11151), (1593, 9597), (3199, 4779), (3717, 4113)]