1881425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 2874816

約数和(自身を除く): 993391

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 827, 2275, 4135, 5789, 10751, 20675, 28945, 53755, 75257, 144725, 268775, 376285, 1881425]

約数ペア:

[(1, 1881425), (5, 376285), (7, 268775), (13, 144725), (25, 75257), (35, 53755), (65, 28945), (91, 20675), (175, 10751), (325, 5789), (455, 4135), (827, 2275)]