65838375

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1425

約数の個数: 48

約数和(自身を含む): 121533984

約数和(自身を除く): 55695609

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 375, 387, 645, 1075, 1125, 1361, 1935, 3225, 4083, 5375, 6805, 9675, 12249, 16125, 20415, 34025, 48375, 58523, 61245, 102075, 170125, 175569, 292615, 306225, 510375, 526707, 877845, 1463075, 1531125, 2633535, 4389225, 7315375, 13167675, 21946125, 65838375]

約数ペア:

[(1, 65838375), (3, 21946125), (5, 13167675), (9, 7315375), (15, 4389225), (25, 2633535), (43, 1531125), (45, 1463075), (75, 877845), (125, 526707), (129, 510375), (215, 306225), (225, 292615), (375, 175569), (387, 170125), (645, 102075), (1075, 61245), (1125, 58523), (1361, 48375), (1935, 34025), (3225, 20415), (4083, 16125), (5375, 12249), (6805, 9675)]