7621425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{1613}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 16010880

約数和(自身を除く): 8389455

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 1613, 4725, 4839, 8065, 11291, 14517, 24195, 33873, 40325, 43551, 56455, 72585, 101619, 120975, 169365, 217755, 282275, 304857, 362925, 508095, 846825, 1088775, 1524285, 2540475, 7621425]

約数ペア:

[(1, 7621425), (3, 2540475), (5, 1524285), (7, 1088775), (9, 846825), (15, 508095), (21, 362925), (25, 304857), (27, 282275), (35, 217755), (45, 169365), (63, 120975), (75, 101619), (105, 72585), (135, 56455), (175, 43551), (189, 40325), (225, 33873), (315, 24195), (525, 14517), (675, 11291), (945, 8065), (1575, 4839), (1613, 4725)]