30431475

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:868

約数の個数: 36

約数和(自身を含む): 54849912

約数和(自身を除く): 24418437

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 641, 1055, 1899, 1923, 3165, 3205, 5275, 5769, 9495, 9615, 15825, 16025, 28845, 47475, 48075, 135251, 144225, 405753, 676255, 1217259, 2028765, 3381275, 6086295, 10143825, 30431475]

約数ペア:

[(1, 30431475), (3, 10143825), (5, 6086295), (9, 3381275), (15, 2028765), (25, 1217259), (45, 676255), (75, 405753), (211, 144225), (225, 135251), (633, 48075), (641, 47475), (1055, 28845), (1899, 16025), (1923, 15825), (3165, 9615), (3205, 9495), (5275, 5769)]