28938315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24284085

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1379, 1399, 2955, 4137, 4197, 6895, 6995, 9793, 20685, 20985, 29379, 48965, 146895, 275603, 826809, 1378015, 1929221, 4134045, 5787663, 9646105, 28938315]

約数ペア:

[(1, 28938315), (3, 9646105), (5, 5787663), (7, 4134045), (15, 1929221), (21, 1378015), (35, 826809), (105, 275603), (197, 146895), (591, 48965), (985, 29379), (1379, 20985), (1399, 20685), (2955, 9793), (4137, 6995), (4197, 6895)]