39138729

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 61839360

約数和(自身を除く): 22700631

約数列:

[1, 3, 7, 21, 43, 89, 129, 267, 301, 487, 623, 903, 1461, 1869, 3409, 3827, 10227, 11481, 20941, 26789, 43343, 62823, 80367, 130029, 146587, 303401, 439761, 910203, 1863749, 5591247, 13046243, 39138729]

約数ペア:

[(1, 39138729), (3, 13046243), (7, 5591247), (21, 1863749), (43, 910203), (89, 439761), (129, 303401), (267, 146587), (301, 130029), (487, 80367), (623, 62823), (903, 43343), (1461, 26789), (1869, 20941), (3409, 11481), (3827, 10227)]