15193087

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 21373632

約数和(自身を除く): 6180545

約数列:

[1, 7, 13, 17, 23, 49, 61, 91, 119, 161, 221, 299, 391, 427, 637, 793, 833, 1037, 1127, 1403, 1547, 2093, 2737, 2989, 5083, 5551, 7259, 9821, 10829, 13481, 14651, 18239, 19159, 23851, 35581, 38857, 50813, 68747, 94367, 127673, 166957, 249067, 310063, 660569, 893711, 1168699, 2170441, 15193087]

約数ペア:

[(1, 15193087), (7, 2170441), (13, 1168699), (17, 893711), (23, 660569), (49, 310063), (61, 249067), (91, 166957), (119, 127673), (161, 94367), (221, 68747), (299, 50813), (391, 38857), (427, 35581), (637, 23851), (793, 19159), (833, 18239), (1037, 14651), (1127, 13481), (1403, 10829), (1547, 9821), (2093, 7259), (2737, 5551), (2989, 5083)]