25849665

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 48449280

約数和(自身を除く): 22599615

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 61, 73, 129, 135, 183, 215, 219, 305, 365, 387, 549, 645, 657, 915, 1095, 1161, 1647, 1935, 1971, 2623, 2745, 3139, 3285, 4453, 5805, 7869, 8235, 9417, 9855, 13115, 13359, 15695, 22265, 23607, 28251, 39345, 40077, 47085, 66795, 70821, 84753, 118035, 120231, 141255, 191479, 200385, 354105, 423765, 574437, 601155, 957395, 1723311, 2872185, 5169933, 8616555, 25849665]

約数ペア:

[(1, 25849665), (3, 8616555), (5, 5169933), (9, 2872185), (15, 1723311), (27, 957395), (43, 601155), (45, 574437), (61, 423765), (73, 354105), (129, 200385), (135, 191479), (183, 141255), (215, 120231), (219, 118035), (305, 84753), (365, 70821), (387, 66795), (549, 47085), (645, 40077), (657, 39345), (915, 28251), (1095, 23607), (1161, 22265), (1647, 15695), (1935, 13359), (1971, 13115), (2623, 9855), (2745, 9417), (3139, 8235), (3285, 7869), (4453, 5805)]