28782195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2203}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 50356992

約数和(自身を除く): 21574797

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2203, 2613, 4355, 6609, 11015, 13065, 28639, 33045, 85917, 143195, 147601, 429585, 442803, 738005, 1918813, 2214015, 5756439, 9594065, 28782195]

約数ペア:

[(1, 28782195), (3, 9594065), (5, 5756439), (13, 2214015), (15, 1918813), (39, 738005), (65, 442803), (67, 429585), (195, 147601), (201, 143195), (335, 85917), (871, 33045), (1005, 28639), (2203, 13065), (2613, 11015), (4355, 6609)]