15987699

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 56

約数和(自身を含む): 29624672

約数和(自身を除く): 13636973

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 241, 243, 273, 351, 567, 723, 729, 819, 1053, 1687, 1701, 2169, 2457, 3133, 3159, 5061, 5103, 6507, 7371, 9399, 9477, 15183, 19521, 21931, 22113, 28197, 45549, 58563, 65793, 66339, 84591, 136647, 175689, 197379, 253773, 409941, 592137, 761319, 1229823, 1776411, 2283957, 5329233, 15987699]

約数ペア:

[(1, 15987699), (3, 5329233), (7, 2283957), (9, 1776411), (13, 1229823), (21, 761319), (27, 592137), (39, 409941), (63, 253773), (81, 197379), (91, 175689), (117, 136647), (189, 84591), (241, 66339), (243, 65793), (273, 58563), (351, 45549), (567, 28197), (723, 22113), (729, 21931), (819, 19521), (1053, 15183), (1687, 9477), (1701, 9399), (2169, 7371), (2457, 6507), (3133, 5103), (3159, 5061)]