28555905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{631}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 52420608

約数和(自身を除く): 23864703

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 431, 631, 1293, 1893, 2155, 3017, 3155, 4417, 6465, 9051, 9465, 13251, 15085, 22085, 45255, 66255, 271961, 815883, 1359805, 1903727, 4079415, 5711181, 9518635, 28555905]

約数ペア:

[(1, 28555905), (3, 9518635), (5, 5711181), (7, 4079415), (15, 1903727), (21, 1359805), (35, 815883), (105, 271961), (431, 66255), (631, 45255), (1293, 22085), (1893, 15085), (2155, 13251), (3017, 9465), (3155, 9051), (4417, 6465)]