42980775

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{2179}}^1$

素因数の和:2455

約数の個数: 24

約数和(自身を含む): 71364480

約数和(自身を除く): 28383705

約数列:

[1, 3, 5, 15, 25, 75, 263, 789, 1315, 2179, 3945, 6537, 6575, 10895, 19725, 32685, 54475, 163425, 573077, 1719231, 2865385, 8596155, 14326925, 42980775]

約数ペア:

[(1, 42980775), (3, 14326925), (5, 8596155), (15, 2865385), (25, 1719231), (75, 573077), (263, 163425), (789, 54475), (1315, 32685), (2179, 19725), (3945, 10895), (6537, 6575)]