40289319

素因数分解:

$3^4\times 7^2\times {\mathrm{10151}}^1$

素因数の和:10177

約数の個数: 30

約数和(自身を含む): 70018344

約数和(自身を除く): 29729025

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10151, 30453, 71057, 91359, 213171, 274077, 497399, 639513, 822231, 1492197, 1918539, 4476591, 5755617, 13429773, 40289319]

約数ペア:

[(1, 40289319), (3, 13429773), (7, 5755617), (9, 4476591), (21, 1918539), (27, 1492197), (49, 822231), (63, 639513), (81, 497399), (147, 274077), (189, 213171), (441, 91359), (567, 71057), (1323, 30453), (3969, 10151)]