27909455

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 13009585

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 887, 899, 1015, 1085, 4435, 4495, 6209, 6293, 25723, 27497, 31045, 31465, 128615, 137485, 180061, 192479, 797413, 900305, 962395, 3987065, 5581891, 27909455]

約数ペア:

[(1, 27909455), (5, 5581891), (7, 3987065), (29, 962395), (31, 900305), (35, 797413), (145, 192479), (155, 180061), (203, 137485), (217, 128615), (887, 31465), (899, 31045), (1015, 27497), (1085, 25723), (4435, 6293), (4495, 6209)]