531975795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{19913}}^1$

素因数の和:20071

約数の個数: 32

約数和(自身を含む): 923372352

約数和(自身を除く): 391396557

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 8905, 19913, 26715, 59739, 99565, 258869, 298695, 776607, 1294345, 2728081, 3883035, 8184243, 13640405, 35465053, 40921215, 106395159, 177325265, 531975795]

約数ペア:

[(1, 531975795), (3, 177325265), (5, 106395159), (13, 40921215), (15, 35465053), (39, 13640405), (65, 8184243), (137, 3883035), (195, 2728081), (411, 1294345), (685, 776607), (1781, 298695), (2055, 258869), (5343, 99565), (8905, 59739), (19913, 26715)]