42681951

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 32797089

約数列:

[1, 3, 9, 13, 17, 23, 27, 39, 51, 69, 117, 153, 207, 221, 299, 311, 351, 391, 459, 621, 663, 897, 933, 1173, 1989, 2691, 2799, 3519, 4043, 5083, 5287, 5967, 7153, 8073, 8397, 10557, 12129, 15249, 15861, 21459, 36387, 45747, 47583, 64377, 68731, 92989, 109161, 121601, 137241, 142749, 193131, 206193, 278967, 364803, 618579, 836901, 1094409, 1580813, 1855737, 2510703, 3283227, 4742439, 14227317, 42681951]

約数ペア:

[(1, 42681951), (3, 14227317), (9, 4742439), (13, 3283227), (17, 2510703), (23, 1855737), (27, 1580813), (39, 1094409), (51, 836901), (69, 618579), (117, 364803), (153, 278967), (207, 206193), (221, 193131), (299, 142749), (311, 137241), (351, 121601), (391, 109161), (459, 92989), (621, 68731), (663, 64377), (897, 47583), (933, 45747), (1173, 36387), (1989, 21459), (2691, 15861), (2799, 15249), (3519, 12129), (4043, 10557), (5083, 8397), (5287, 8073), (5967, 7153)]