39975621

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 63417600

約数和(自身を除く): 23441979

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 343, 371, 733, 1029, 1113, 2199, 2597, 5131, 7791, 15393, 18179, 35917, 38849, 54537, 107751, 116547, 251419, 271943, 754257, 815829, 1903601, 5710803, 13325207, 39975621]

約数ペア:

[(1, 39975621), (3, 13325207), (7, 5710803), (21, 1903601), (49, 815829), (53, 754257), (147, 271943), (159, 251419), (343, 116547), (371, 107751), (733, 54537), (1029, 38849), (1113, 35917), (2199, 18179), (2597, 15393), (5131, 7791)]