64941825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 118395200

約数和(自身を除く): 53453375

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1549, 1677, 2795, 3225, 4647, 7745, 8385, 13975, 20137, 23235, 38725, 41925, 60411, 66607, 100685, 116175, 199821, 302055, 333035, 503425, 865891, 999105, 1510275, 1665175, 2597673, 4329455, 4995525, 12988365, 21647275, 64941825]

約数ペア:

[(1, 64941825), (3, 21647275), (5, 12988365), (13, 4995525), (15, 4329455), (25, 2597673), (39, 1665175), (43, 1510275), (65, 999105), (75, 865891), (129, 503425), (195, 333035), (215, 302055), (325, 199821), (559, 116175), (645, 100685), (975, 66607), (1075, 60411), (1549, 41925), (1677, 38725), (2795, 23235), (3225, 20137), (4647, 13975), (7745, 8385)]