427388973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 638668800

約数和(自身を除く): 211279827

約数列:

[1, 3, 11, 33, 71, 79, 213, 237, 781, 869, 2309, 2343, 2607, 5609, 6927, 16827, 25399, 61699, 76197, 163939, 182411, 185097, 491817, 547233, 1803329, 2006521, 5409987, 6019563, 12951181, 38853543, 142462991, 427388973]

約数ペア:

[(1, 427388973), (3, 142462991), (11, 38853543), (33, 12951181), (71, 6019563), (79, 5409987), (213, 2006521), (237, 1803329), (781, 547233), (869, 491817), (2309, 185097), (2343, 182411), (2607, 163939), (5609, 76197), (6927, 61699), (16827, 25399)]