28811895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{829}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 52907520

約数和(自身を除く): 24095625

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 829, 993, 1655, 2317, 2487, 4145, 4965, 5803, 6951, 11585, 12435, 17409, 29015, 34755, 87045, 274399, 823197, 1371995, 1920793, 4115985, 5762379, 9603965, 28811895]

約数ペア:

[(1, 28811895), (3, 9603965), (5, 5762379), (7, 4115985), (15, 1920793), (21, 1371995), (35, 823197), (105, 274399), (331, 87045), (829, 34755), (993, 29015), (1655, 17409), (2317, 12435), (2487, 11585), (4145, 6951), (4965, 5803)]