15015987

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 26577408

約数和(自身を除く): 11561421

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 241, 301, 387, 483, 723, 903, 989, 1449, 1687, 2169, 2709, 2967, 5061, 5543, 6923, 8901, 10363, 15183, 16629, 20769, 31089, 38801, 49887, 62307, 72541, 93267, 116403, 217623, 238349, 349209, 652869, 715047, 1668443, 2145141, 5005329, 15015987]

約数ペア:

[(1, 15015987), (3, 5005329), (7, 2145141), (9, 1668443), (21, 715047), (23, 652869), (43, 349209), (63, 238349), (69, 217623), (129, 116403), (161, 93267), (207, 72541), (241, 62307), (301, 49887), (387, 38801), (483, 31089), (723, 20769), (903, 16629), (989, 15183), (1449, 10363), (1687, 8901), (2169, 6923), (2709, 5543), (2967, 5061)]