127975473

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 209454336

約数和(自身を除く): 81478863

約数列:

[1, 3, 9, 17, 23, 41, 51, 69, 123, 153, 207, 369, 391, 697, 887, 943, 1173, 2091, 2661, 2829, 3519, 6273, 7983, 8487, 15079, 16031, 20401, 36367, 45237, 48093, 61203, 109101, 135711, 144279, 183609, 327303, 346817, 618239, 836441, 1040451, 1854717, 2509323, 3121353, 5564151, 7527969, 14219497, 42658491, 127975473]

約数ペア:

[(1, 127975473), (3, 42658491), (9, 14219497), (17, 7527969), (23, 5564151), (41, 3121353), (51, 2509323), (69, 1854717), (123, 1040451), (153, 836441), (207, 618239), (369, 346817), (391, 327303), (697, 183609), (887, 144279), (943, 135711), (1173, 109101), (2091, 61203), (2661, 48093), (2829, 45237), (3519, 36367), (6273, 20401), (7983, 16031), (8487, 15079)]