201331425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157907}}^1$

素因数の和:157937

約数の個数: 24

約数和(自身を含む): 352450656

約数和(自身を除く): 151119231

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 157907, 473721, 789535, 2368605, 2684419, 3947675, 8053257, 11843025, 13422095, 40266285, 67110475, 201331425]

約数ペア:

[(1, 201331425), (3, 67110475), (5, 40266285), (15, 13422095), (17, 11843025), (25, 8053257), (51, 3947675), (75, 2684419), (85, 2368605), (255, 789535), (425, 473721), (1275, 157907)]