1997275

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 2883744

約数和(自身を除く): 886469

約数列:

[1, 5, 7, 25, 35, 101, 113, 175, 505, 565, 707, 791, 2525, 2825, 3535, 3955, 11413, 17675, 19775, 57065, 79891, 285325, 399455, 1997275]

約数ペア:

[(1, 1997275), (5, 399455), (7, 285325), (25, 79891), (35, 57065), (101, 19775), (113, 17675), (175, 11413), (505, 3955), (565, 3535), (707, 2825), (791, 2525)]