39757575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 78040144

約数和(自身を除く): 38282569

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 121, 143, 165, 195, 275, 325, 337, 363, 429, 605, 715, 825, 975, 1011, 1573, 1685, 1815, 2145, 3025, 3575, 3707, 4381, 4719, 5055, 7865, 8425, 9075, 10725, 11121, 13143, 18535, 21905, 23595, 25275, 39325, 40777, 48191, 55605, 65715, 92675, 109525, 117975, 122331, 144573, 203885, 240955, 278025, 328575, 530101, 611655, 722865, 1019425, 1204775, 1590303, 2650505, 3058275, 3614325, 7951515, 13252525, 39757575]

約数ペア:

[(1, 39757575), (3, 13252525), (5, 7951515), (11, 3614325), (13, 3058275), (15, 2650505), (25, 1590303), (33, 1204775), (39, 1019425), (55, 722865), (65, 611655), (75, 530101), (121, 328575), (143, 278025), (165, 240955), (195, 203885), (275, 144573), (325, 122331), (337, 117975), (363, 109525), (429, 92675), (605, 65715), (715, 55605), (825, 48191), (975, 40777), (1011, 39325), (1573, 25275), (1685, 23595), (1815, 21905), (2145, 18535), (3025, 13143), (3575, 11121), (3707, 10725), (4381, 9075), (4719, 8425), (5055, 7865)]