390781854

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{380879}}^1$

素因数の和:380909

約数の個数: 32

約数和(自身を含む): 914112000

約数和(自身を除く): 523330146

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 380879, 761758, 1142637, 2285274, 3427911, 6855822, 7236701, 10283733, 14473402, 20567466, 21710103, 43420206, 65130309, 130260618, 195390927, 390781854]

約数ペア:

[(1, 390781854), (2, 195390927), (3, 130260618), (6, 65130309), (9, 43420206), (18, 21710103), (19, 20567466), (27, 14473402), (38, 10283733), (54, 7236701), (57, 6855822), (114, 3427911), (171, 2285274), (342, 1142637), (513, 761758), (1026, 380879)]