25845795

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 49688496

約数和(自身を除く): 23842701

約数列:

[1, 3, 5, 9, 15, 19, 37, 43, 45, 57, 95, 111, 129, 171, 185, 215, 285, 333, 361, 387, 555, 645, 703, 817, 855, 1083, 1591, 1665, 1805, 1935, 2109, 2451, 3249, 3515, 4085, 4773, 5415, 6327, 7353, 7955, 10545, 12255, 13357, 14319, 15523, 16245, 23865, 30229, 31635, 36765, 40071, 46569, 66785, 71595, 77615, 90687, 120213, 139707, 151145, 200355, 232845, 272061, 453435, 574351, 601065, 698535, 1360305, 1723053, 2871755, 5169159, 8615265, 25845795]

約数ペア:

[(1, 25845795), (3, 8615265), (5, 5169159), (9, 2871755), (15, 1723053), (19, 1360305), (37, 698535), (43, 601065), (45, 574351), (57, 453435), (95, 272061), (111, 232845), (129, 200355), (171, 151145), (185, 139707), (215, 120213), (285, 90687), (333, 77615), (361, 71595), (387, 66785), (555, 46569), (645, 40071), (703, 36765), (817, 31635), (855, 30229), (1083, 23865), (1591, 16245), (1665, 15523), (1805, 14319), (1935, 13357), (2109, 12255), (2451, 10545), (3249, 7955), (3515, 7353), (4085, 6327), (4773, 5415)]