39980619

素因数分解:

$3^2\times 7^2\times {\mathrm{90659}}^1$

素因数の和:90679

約数の個数: 18

約数和(自身を含む): 67179060

約数和(自身を除く): 27198441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 90659, 271977, 634613, 815931, 1903839, 4442291, 5711517, 13326873, 39980619]

約数ペア:

[(1, 39980619), (3, 13326873), (7, 5711517), (9, 4442291), (21, 1903839), (49, 815931), (63, 634613), (147, 271977), (441, 90659)]