75021795

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2697

約数の個数: 40

約数和(自身を含む): 136429920

約数和(自身を除く): 61408125

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2609, 3195, 5751, 7827, 9585, 13045, 23481, 28755, 39135, 70443, 117405, 185239, 211329, 352215, 555717, 926195, 1056645, 1667151, 2778585, 5001453, 8335755, 15004359, 25007265, 75021795]

約数ペア:

[(1, 75021795), (3, 25007265), (5, 15004359), (9, 8335755), (15, 5001453), (27, 2778585), (45, 1667151), (71, 1056645), (81, 926195), (135, 555717), (213, 352215), (355, 211329), (405, 185239), (639, 117405), (1065, 70443), (1917, 39135), (2609, 28755), (3195, 23481), (5751, 13045), (7827, 9585)]