81443970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{904933}}^1$

素因数の和:904946

約数の個数: 24

約数和(自身を含む): 211754556

約数和(自身を除く): 130310586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 904933, 1809866, 2714799, 4524665, 5429598, 8144397, 9049330, 13573995, 16288794, 27147990, 40721985, 81443970]

約数ペア:

[(1, 81443970), (2, 40721985), (3, 27147990), (5, 16288794), (6, 13573995), (9, 9049330), (10, 8144397), (15, 5429598), (18, 4524665), (30, 2714799), (45, 1809866), (90, 904933)]