42081725

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7757}}^1$

素因数の和:7805

約数の個数: 24

約数和(自身を含む): 61567488

約数和(自身を除く): 19485763

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 7757, 38785, 54299, 193925, 240467, 271495, 1202335, 1357475, 1683269, 6011675, 8416345, 42081725]

約数ペア:

[(1, 42081725), (5, 8416345), (7, 6011675), (25, 1683269), (31, 1357475), (35, 1202335), (155, 271495), (175, 240467), (217, 193925), (775, 54299), (1085, 38785), (5425, 7757)]