38777739

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 71500800

約数和(自身を除く): 32723061

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 143, 231, 259, 273, 349, 407, 429, 481, 777, 1001, 1047, 1221, 1443, 2443, 2849, 3003, 3367, 3839, 4537, 5291, 7329, 8547, 10101, 11517, 12913, 13611, 15873, 26873, 31759, 37037, 38739, 49907, 80619, 90391, 95277, 111111, 142043, 149721, 167869, 271173, 349349, 426129, 503607, 994301, 1048047, 1175083, 1846559, 2982903, 3525249, 5539677, 12925913, 38777739]

約数ペア:

[(1, 38777739), (3, 12925913), (7, 5539677), (11, 3525249), (13, 2982903), (21, 1846559), (33, 1175083), (37, 1048047), (39, 994301), (77, 503607), (91, 426129), (111, 349349), (143, 271173), (231, 167869), (259, 149721), (273, 142043), (349, 111111), (407, 95277), (429, 90391), (481, 80619), (777, 49907), (1001, 38739), (1047, 37037), (1221, 31759), (1443, 26873), (2443, 15873), (2849, 13611), (3003, 12913), (3367, 11517), (3839, 10101), (4537, 8547), (5291, 7329)]