39753987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 65630208

約数和(自身を除く): 25876221

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 653, 669, 1561, 1959, 2899, 4571, 4683, 8489, 8697, 13713, 20293, 25467, 59423, 60879, 145619, 178269, 436857, 1019333, 1893047, 3057999, 5679141, 13251329, 39753987]

約数ペア:

[(1, 39753987), (3, 13251329), (7, 5679141), (13, 3057999), (21, 1893047), (39, 1019333), (91, 436857), (223, 178269), (273, 145619), (653, 60879), (669, 59423), (1561, 25467), (1959, 20293), (2899, 13713), (4571, 8697), (4683, 8489)]